How Many Digits Are In A Known Traveler Number?

A Known Traveler Number, or KTN, streamlines your airport security experience, and at TRAVELS.EDU.VN, we understand its importance. This number, linked to programs like TSA PreCheck and Global Entry, allows for expedited screening. With this guide, learn about the KTN’s length, its benefits, and how TRAVELS.EDU.VN can help you plan a smooth, stress-free trip to Napa Valley. Discover the ease of travel with expedited security, reducing wait times and enhancing your overall journey.

1. What Is The Length of a Known Traveler Number?

A Known Traveler Number (KTN) is typically nine characters long. This alphanumeric code is assigned to individuals approved for trusted traveler programs like TSA PreCheck, Global Entry, NEXUS, or SENTRI. This 9-character code ensures smoother airport security screenings and makes your travel experience more efficient. Let’s delve deeper into the structure, function, and benefits of the KTN.

Structure and Format: A KTN is not purely numeric. It comprises both letters and numbers. For TSA PreCheck, KTNs often start with “TT” (for IDEMIA enrollees) or “TE” (for Telos enrollees). CLEAR Plus KTNs begin with “AC”. Global Entry, NEXUS, and SENTRI use a CBP PASS ID, which is also nine digits and often begins with numbers like 10, 13, 14, 15, 16, 50, 70, 80, 95, 98, or 99.
Purpose and Function: The primary purpose of a KTN is to verify your enrollment in a trusted traveler program. When you provide your KTN while booking a flight, the airline transmits this information to the Transportation Security Administration (TSA). This allows the TSA to verify your trusted traveler status and ensure that you receive expedited screening benefits at the airport.
Benefits of Using a KTN: The most significant benefit is expedited security screening. TSA PreCheck lanes generally have shorter wait times, and travelers don’t need to remove shoes, laptops, liquids, belts, or light jackets. This can save a considerable amount of time and reduce stress, especially for frequent travelers. According to TSA data, PreCheck passengers wait less than 5 minutes on average.
Where to Find Your KTN:
- TSA PreCheck: Your KTN is usually emailed to you upon approval. Check your email account for the notification from TSA or your enrollment provider (IDEMIA or Telos).
- Global Entry/NEXUS/SENTRI: Your KTN, known as the CBP PASS ID, can be found on the back of your Global Entry, NEXUS, or SENTRI card. You can also find it by logging into the Trusted Traveler Program (TTP) website.
- CLEAR Plus: Your CLEAR membership is linked biometrically, usually requiring no physical card or number. However, if needed, your KTN can be found in your CLEAR account settings.
How to Use Your KTN:
- When Booking Flights: Enter your KTN in the designated field during the flight booking process. This ensures your TSA PreCheck benefits are linked to your boarding pass.
- Adding to Existing Reservations: If you forgot to add your KTN during booking, you can usually add it to your reservation through the airline’s website or customer service.
- At the Airport: Ensure your boarding pass displays the TSA PreCheck indicator. If it doesn’t, verify that your KTN is correctly entered in your airline profile.
Consequences of Not Using Your KTN: If you don’t include your KTN when booking, you won’t receive TSA PreCheck benefits, and you’ll have to go through standard security screening. This means longer wait times and the need to remove items like shoes and laptops.

Understanding the length, structure, and usage of your KTN ensures you maximize the benefits of trusted traveler programs. As you plan your next trip to Napa Valley with TRAVELS.EDU.VN, remember to include your KTN to enjoy a smoother, more efficient airport experience.

2. What is a Known Traveler Number (KTN) Used For?

A Known Traveler Number (KTN) is used to verify your enrollment in trusted traveler programs, such as TSA PreCheck, Global Entry, NEXUS, and SENTRI, enabling expedited airport security screening. This verification allows you to bypass standard security lines and enjoy a smoother, more efficient travel experience. Let’s explore the various applications and benefits of using a KTN.

Expedited Security Screening: The primary use of a KTN is to facilitate expedited security screening at airports. When you enter your KTN while booking a flight, the airline transmits this information to the TSA. The TSA then verifies your enrollment status, ensuring you can access TSA PreCheck lanes. These lanes typically have shorter wait times, and passengers do not need to remove shoes, laptops, liquids, belts, or light jackets.
TSA PreCheck Benefits: TSA PreCheck is a program that allows U.S. citizens, nationals, and lawful permanent residents to enjoy faster security screening at participating U.S. airports. By providing your KTN, you can access PreCheck lanes and avoid the longer queues in standard security. This service costs $77.95 to $85 for five years, offering significant time savings for frequent travelers.
Global Entry Benefits: Global Entry is a U.S. Customs and Border Protection (CBP) program that allows expedited clearance for pre-approved, low-risk travelers upon arrival in the United States. Global Entry members also receive TSA PreCheck benefits. The KTN for Global Entry, known as the CBP PASS ID, is used to verify your membership and provide access to expedited security screening.
NEXUS and SENTRI Benefits: NEXUS and SENTRI are programs that facilitate expedited border crossings between the U.S. and Canada (NEXUS) and the U.S. and Mexico (SENTRI). Like Global Entry, members of these programs receive a CBP PASS ID, which functions as a KTN. This number is used to verify membership and provide access to expedited lanes at land border crossings and airports.
CLEAR Plus Benefits: CLEAR Plus is a privately-run program that uses biometric identification to expedite security screening at select airports. While CLEAR primarily uses fingerprint or iris scans for verification, members can also enter their KTN to link their CLEAR account with their TSA PreCheck or Global Entry benefits. This allows for an even faster and more seamless security process.
How to Add Your KTN to Airline Reservations:
- Online Booking: When booking flights online, there is typically a field labeled “Known Traveler Number” or “TSA PreCheck.” Enter your KTN in this field to ensure your benefits are applied to your reservation.
- Existing Reservations: If you forgot to add your KTN during the initial booking, you can usually add it to your reservation through the airline’s website or by contacting customer service.
- Airline Profiles: Save your KTN in your airline profile to automatically apply it to future reservations.
Troubleshooting KTN Issues:
- Boarding Pass Issues: If your boarding pass does not display the TSA PreCheck indicator, verify that your KTN is correctly entered in your airline profile and reservation.
- Expired Memberships: Ensure your TSA PreCheck, Global Entry, NEXUS, or SENTRI membership is current. Renew your membership before it expires to avoid any disruption in benefits.
- Incorrect Information: Double-check that the name and date of birth on your airline reservation match the information provided during your trusted traveler program application.

Using a Known Traveler Number effectively enhances your travel experience by reducing wait times and streamlining security processes. As you plan your visit to Napa Valley with TRAVELS.EDU.VN, remember to include your KTN in your flight bookings to enjoy a smoother and more efficient journey.

3. Who is Eligible to Obtain a Known Traveler Number?

Eligibility for a Known Traveler Number (KTN) is primarily determined by approval for trusted traveler programs such as TSA PreCheck, Global Entry, NEXUS, and SENTRI. These programs have specific requirements, mainly focusing on citizenship, residency, and a clean background check. Understanding these eligibility criteria can help you determine which program is right for you.

TSA PreCheck Eligibility:
- Citizenship: U.S. citizens, U.S. nationals, and lawful permanent residents are eligible to apply for TSA PreCheck.
- Background Check: Applicants must pass a security threat assessment conducted by the TSA. This involves a background check to ensure they do not pose a security risk.
- Disqualifying Offenses: Certain criminal offenses and violations of transportation security regulations can disqualify an applicant from TSA PreCheck.
- Age Requirements: There is no minimum age to apply for TSA PreCheck. However, children aged 12 and under can typically accompany an enrolled parent or guardian through TSA PreCheck lanes without their own membership.
Global Entry Eligibility:
- Citizenship: Global Entry is open to U.S. citizens, U.S. lawful permanent residents, and citizens of certain other countries, including:
  - граждане Мексики
  - citizens of Canada
  - citizens of the United Kingdom
  - citizens of Germany
  - citizens of the Netherlands
  - citizens of Panama
  - citizens of Singapore
  - citizens of South Korea
  - citizens of Switzerland
  - Taiwanese citizens
- Background Check: Applicants undergo a thorough background check and interview with a Customs and Border Protection (CBP) officer.
- Disqualifying Factors: Certain criminal offenses, immigration violations, and customs violations can disqualify an applicant from Global Entry.
- Travel History: Applicants must provide information about their travel history and may be subject to additional scrutiny based on their travel patterns.
NEXUS Eligibility:
- Citizenship: NEXUS is available to U.S. citizens, U.S. lawful permanent residents, Canadian citizens, and Canadian permanent residents.
- Background Check: Applicants undergo a background check and interview with both U.S. and Canadian border officials.
- Admissibility: Applicants must be admissible to both the U.S. and Canada.
- Disqualifying Factors: Criminal history, immigration violations, and customs violations can disqualify an applicant from NEXUS.
SENTRI Eligibility:
- Citizenship: SENTRI is available to U.S. citizens, U.S. lawful permanent residents, and citizens of certain other countries.
- Background Check: Applicants undergo a background check and interview with a CBP officer.
- Admissibility: Applicants must be admissible to the U.S.
- Vehicle Inspection: SENTRI applicants must have their vehicles inspected and registered with CBP.
- Disqualifying Factors: Criminal history, immigration violations, and customs violations can disqualify an applicant from SENTRI.
General Disqualifications:
- Criminal History: Individuals with certain criminal convictions, including felonies, drug offenses, and terrorism-related offenses, may be ineligible for trusted traveler programs.
- Immigration Violations: Individuals with a history of immigration violations, such as overstaying a visa or entering the country illegally, may be ineligible.
- Customs Violations: Individuals with a history of customs violations, such as smuggling or failing to declare goods, may be ineligible.
- Security Concerns: Individuals who pose a security risk, as determined by the TSA or CBP, may be ineligible.
How to Apply:
- Online Application: Complete the online application for the desired trusted traveler program through the official government website.
- Background Check: Consent to a background check and provide all required information.
- Interview: Schedule and attend an in-person interview at an enrollment center.
- Payment: Pay the application fee.

Understanding the eligibility requirements for each trusted traveler program helps you choose the most suitable option. As you plan your trip to Napa Valley with TRAVELS.EDU.VN, consider applying for TSA PreCheck or Global Entry to make your airport experience smoother and more efficient.

4. What Happens If You Forget to Add Your Known Traveler Number to a Flight Reservation?

If you forget to add your Known Traveler Number (KTN) to a flight reservation, you may not receive TSA PreCheck benefits. However, there are several steps you can take to try and rectify the situation and still enjoy expedited security screening.

Immediate Actions to Take:
- Check Your Boarding Pass: Before heading to the airport, check your boarding pass. If it shows the TSA PreCheck indicator (usually a TSA PreCheck logo), your KTN was successfully added. If not, proceed to the next steps.
- Update Your Reservation Online: Most airlines allow you to manage your booking online. Log in to your account on the airline’s website, find your reservation, and look for an option to add or update your Known Traveler Number.
- Contact the Airline: If you can’t update your reservation online, call the airline’s customer service. Explain that you forgot to add your KTN and would like to include it in your reservation. Be prepared to provide your KTN and booking details.
- Add KTN at the Airport Kiosk: Some airport kiosks allow you to modify your reservation and add your KTN. Scan your reservation or enter your booking reference number, and follow the prompts to add your KTN.
Possible Outcomes and Solutions:
- Successful Addition of KTN: If you are able to add your KTN before check-in, your boarding pass should display the TSA PreCheck indicator. Proceed to the TSA PreCheck lane at security.
- Inability to Add KTN Before Check-In: If you can’t add your KTN before completing the check-in process, you may need to visit the airline’s customer service desk at the airport. Explain the situation and ask if they can reprint your boarding pass with the TSA PreCheck indicator.
- No TSA PreCheck on Boarding Pass: If it’s not possible to add your KTN and get a new boarding pass with the TSA PreCheck indicator, you will have to go through the standard security line.
Preventive Measures for Future Flights:
- Save KTN in Airline Profile: To avoid forgetting your KTN in the future, save it in your frequent flyer profile on the airline’s website. This way, it will automatically be added to your reservations.
- Double-Check Before Booking: Always double-check that your KTN is included when booking flights. Take a moment to review your booking details before finalizing the reservation.
- Use Travel Apps: Utilize travel apps that store your KTN and automatically populate it when booking flights or managing reservations.
What to Do at the Airport:
- Arrive Early: If you couldn’t add your KTN to your reservation, arrive at the airport earlier than usual. This gives you extra time to resolve any issues with the airline or TSA.
- Visit Airline Customer Service: If your boarding pass doesn’t have the TSA PreCheck indicator, visit the airline’s customer service desk. They may be able to reprint your boarding pass with the correct information.
- Ask TSA for Assistance: If the airline can’t resolve the issue, you can speak to a TSA officer at the security checkpoint. While they may not be able to grant you TSA PreCheck benefits without the indicator on your boarding pass, they can provide information and assistance.
Alternative Options:
- TSA PreCheck Enrollment Center: If you frequently forget to add your KTN, consider visiting a TSA PreCheck enrollment center to verify your information and ensure it is correctly associated with your airline profiles.
- CLEAR Membership: If you want to expedite security screening even without TSA PreCheck, consider enrolling in CLEAR. CLEAR uses biometric identification to speed up the security process.

Forgetting to add your KTN to a flight reservation can be inconvenient, but taking immediate action and planning ahead can help you avoid this situation. As you prepare for your trip to Napa Valley with TRAVELS.EDU.VN, remember to always include your KTN in your flight bookings to enjoy a smoother and more efficient airport experience.

5. How Long is a TSA PreCheck Known Traveler Number Valid For?

A TSA PreCheck Known Traveler Number (KTN) is valid for five years. After this period, you must renew your membership to continue enjoying the benefits of expedited security screening. Staying aware of your KTN’s expiration date and understanding the renewal process can help you avoid any disruption in your travel plans.

Validity Period:
- Five-Year Term: TSA PreCheck membership is valid for five years from the date of approval. Your KTN will expire at the end of this five-year period.
- Expiration Notification: The TSA typically sends out renewal notifications via email in the months leading up to your expiration date. It’s important to keep your contact information updated with the TSA to ensure you receive these notifications.
Renewal Process:
- Online Renewal: The easiest way to renew your TSA PreCheck membership is online through the official TSA website or the website of your enrollment provider (e.g., IDEMIA or Telos).
- Renewal Eligibility: You can typically begin the renewal process up to six months before your expiration date. Renewing early ensures that your membership remains active without interruption.
- Application Form: Complete the online renewal application form. Verify that all your personal information is accurate and up-to-date.
- Payment: Pay the renewal fee. The renewal fee for TSA PreCheck is currently $70-$77.95, slightly lower than the initial application fee.
- Background Check: As part of the renewal process, the TSA will conduct another background check to ensure you still meet the eligibility requirements.
- In-Person Appointment (if required): In some cases, the TSA may require you to attend an in-person appointment for fingerprinting or verification of documents. If required, schedule an appointment at a TSA enrollment center.
Consequences of Expired Membership:
- Loss of Benefits: Once your TSA PreCheck membership expires, you will no longer be able to use TSA PreCheck lanes at the airport. You will have to go through the standard security line, which may involve longer wait times and the need to remove shoes, laptops, and liquids.
- Renewal Delay: If you wait until after your membership has expired to renew, the process may take longer, as you will essentially be applying as a new applicant. This could result in a longer waiting period before you receive your renewed KTN.
How to Check Your Expiration Date:
- Online Account: Log in to your account on the TSA website or the website of your enrollment provider. Your expiration date should be displayed on your account dashboard.
- Email Notifications: Check your email for renewal notifications from the TSA. These notifications will include your expiration date and instructions on how to renew.
- Physical Card (if applicable): If you received a physical card when you enrolled, the expiration date may be printed on the card.
Tips for Managing Your TSA PreCheck Membership:
- Update Contact Information: Keep your email address, phone number, and mailing address updated with the TSA. This ensures you receive important notifications about your membership.
- Renew Early: Start the renewal process well before your expiration date to avoid any disruption in your travel plans.
- Monitor Renewal Status: After submitting your renewal application, monitor the status online to ensure it is being processed in a timely manner.
- Consider Credit Card Benefits: Some credit cards offer reimbursement for TSA PreCheck or Global Entry application fees. Check if your credit card offers this benefit, as it can save you money on your renewal.

Maintaining an active TSA PreCheck membership ensures you continue to enjoy expedited security screening and a smoother travel experience. As you plan your trips to Napa Valley with TRAVELS.EDU.VN, remember to check your KTN expiration date and renew your membership in a timely manner.

6. Can a Known Traveler Number Be Used for All Airlines?

Yes, a Known Traveler Number (KTN) can be used for all airlines that participate in the TSA PreCheck program. The key factor is not the airline itself, but whether the airline has partnered with TSA PreCheck to provide expedited screening benefits.

TSA PreCheck Participating Airlines:
- Extensive Network: TSA PreCheck has partnerships with over 80 airlines, including major domestic and international carriers.
- List of Airlines: A comprehensive list of participating airlines is available on the official TSA website. This list is regularly updated to reflect any changes in partnerships.
How to Ensure Your KTN is Recognized:
- Enter KTN Correctly: When booking flights, enter your KTN accurately in the designated field. Ensure there are no typos or errors.
- Airline Profile: Save your KTN in your frequent flyer profile with each airline you use. This ensures that your KTN is automatically added to your reservations.
- Check Boarding Pass: Always check your boarding pass to confirm that it displays the TSA PreCheck indicator (TSA PreCheck logo). If the indicator is present, your KTN has been successfully linked to your reservation.
Factors Affecting KTN Recognition:
- Airline Participation: The airline must participate in TSA PreCheck for your KTN to be valid. If you are flying with an airline that is not a TSA PreCheck partner, you will not receive expedited screening benefits.
- Data Transmission: The airline must transmit your KTN to the TSA for verification. If the airline fails to do so, you may not receive TSA PreCheck benefits.
- Name Matching: The name on your airline reservation must exactly match the name on your TSA PreCheck application. Any discrepancies can prevent your KTN from being recognized.
- Random Security Checks: Even with a KTN, you may occasionally be subject to random security checks. This is part of the TSA’s security protocols and does not indicate an issue with your KTN.
Troubleshooting Issues with KTN Recognition:
- Contact the Airline: If your boarding pass does not display the TSA PreCheck indicator, contact the airline’s customer service. They can verify that your KTN is correctly entered in your reservation and attempt to resolve any issues.
- Visit Airline Desk at the Airport: If you are already at the airport, visit the airline’s customer service desk. They may be able to reprint your boarding pass with the TSA PreCheck indicator.
- Contact TSA: If the airline cannot resolve the issue, you can contact the TSA for assistance. They can verify your TSA PreCheck membership and provide guidance on how to ensure your KTN is recognized in the future.
Benefits of Using a KTN with Participating Airlines:
- Expedited Screening: Access to TSA PreCheck lanes, which typically have shorter wait times.
- Reduced Screening Requirements: No need to remove shoes, laptops, liquids, belts, or light jackets.
- Faster Security Process: Overall, a quicker and more efficient security screening experience.
Alternative Programs:
- Global Entry: If you frequently travel internationally, consider Global Entry. It includes TSA PreCheck benefits and provides expedited customs clearance upon arrival in the United States.
- CLEAR: If you want to expedite security screening even further, consider CLEAR. It uses biometric identification to speed up the security process and can be used in conjunction with TSA PreCheck.

A Known Traveler Number can indeed be used for all airlines participating in the TSA PreCheck program. By ensuring your KTN is accurately entered and recognized, you can enjoy a smoother and more efficient airport experience. As you plan your trips to Napa Valley with TRAVELS.EDU.VN, remember to include your KTN in your flight bookings and verify that your boarding pass displays the TSA PreCheck indicator.

7. What are the Benefits of Having a Known Traveler Number?

Having a Known Traveler Number (KTN) provides numerous benefits, primarily centered around expedited security screening at airports. These advantages save time, reduce stress, and enhance the overall travel experience. Let’s explore the specific benefits in detail.

Expedited Security Screening:
- TSA PreCheck Lanes: The primary benefit of having a KTN is access to TSA PreCheck lanes at participating airports. These lanes typically have shorter wait times compared to standard security lines.
- Faster Processing: TSA PreCheck lanes are designed for efficiency, allowing you to move through security more quickly.
Reduced Screening Requirements:
- No Need to Remove Shoes: In TSA PreCheck lanes, you do not need to remove your shoes, which simplifies the screening process and reduces the risk of lost or misplaced items.
- No Need to Remove Laptops: You can leave your laptop in your bag, saving time and effort during screening.
- Liquids and Gels Stay in Bag: The 3-1-1 liquids rule still applies, but you do not need to remove your liquids and gels from your carry-on bag.
- Light Jackets and Belts Stay On: You can keep your light jackets and belts on, further streamlining the screening process.
Time Savings:
- Shorter Wait Times: TSA PreCheck lanes typically have significantly shorter wait times compared to standard security lines. According to TSA data, 93% of TSA PreCheck passengers waited less than 5 minutes.
- Efficient Process: The combination of expedited screening and reduced requirements results in a faster overall security process.
Reduced Stress:
- Less Hassle: The simplified screening process reduces the stress and hassle associated with airport security.
- Predictable Experience: Knowing you can rely on a faster, more efficient screening process provides peace of mind and reduces travel anxiety.
Global Entry Benefits (if applicable):
- Expedited Customs Clearance: If your KTN is associated with Global Entry, you also receive expedited customs clearance upon arrival in the United States.
- Reduced Wait Times at Immigration: Global Entry kiosks allow you to bypass standard immigration lines, saving time and hassle.
Who Can Benefit:
- Frequent Travelers: Individuals who travel frequently for business or leisure benefit the most from having a KTN. The time savings and reduced stress can make a significant difference over time.
- Families: Families with young children can benefit from the reduced screening requirements and faster process, making the airport experience more manageable.
- Individuals with Medical Conditions: Those with medical conditions or mobility issues may find the reduced screening requirements and faster process more comfortable and convenient.
How to Maximize the Benefits:
- Enroll in TSA PreCheck or Global Entry: Apply for TSA PreCheck or Global Entry to obtain a KTN.
- Enter KTN Correctly: Always enter your KTN accurately when booking flights.
- Save KTN in Airline Profile: Save your KTN in your frequent flyer profile with each airline you use.
- Check Boarding Pass: Verify that your boarding pass displays the TSA PreCheck indicator.
Additional Tips:
- Consider Credit Card Benefits: Some credit cards offer reimbursement for TSA PreCheck or Global Entry application fees.
- Renew Membership: Remember to renew your TSA PreCheck or Global Entry membership before it expires to continue enjoying the benefits.

Having a Known Traveler Number offers significant benefits in terms of expedited security screening, reduced stress, and time savings. As you plan your trips to Napa Valley with TRAVELS.EDU.VN, consider enrolling in TSA PreCheck or Global Entry to enhance your travel experience.

8. What is the Difference Between a Known Traveler Number and a Redress Number?

A Known Traveler Number (KTN) and a Redress Number serve different purposes in the context of air travel security. A Known Traveler Number (KTN) provides expedited security screening, while a Redress Number helps resolve issues with misidentification. Understanding their distinct functions can help travelers address specific needs and challenges.

Known Traveler Number (KTN):
- Purpose: A KTN is used to verify enrollment in trusted traveler programs such as TSA PreCheck, Global Entry, NEXUS, and SENTRI.
- Benefits: Provides access to expedited security screening at airports, including shorter wait times and reduced screening requirements.
- Eligibility: Obtained by applying for and being approved for a trusted traveler program.
- Usage: Entered when booking flights to ensure TSA PreCheck benefits are applied to the reservation.
- Example: A nine-character alphanumeric code (e.g., TT1234567).
Redress Number:
- Purpose: A Redress Number is used to help travelers who have experienced issues with misidentification, such as being repeatedly flagged for additional screening or denied boarding due to being mistaken for someone on a government watch list.
- Benefits: Helps prevent recurring misidentification issues by associating your name with a unique number in the Department of Homeland Security (DHS) systems.
- Eligibility: Obtained by applying for and receiving a Redress Number through the DHS Traveler Redress Inquiry Program (DHS TRIP).
- Usage: Entered when booking flights to help prevent misidentification issues.
- Example: A string of digits (e.g., 1234567890).
Key Differences Summarized:

Feature	Known Traveler Number (KTN)	Redress Number
Purpose	Expedited security screening	Resolving misidentification issues
Program	TSA PreCheck, Global Entry, NEXUS, SENTRI	DHS Traveler Redress Inquiry Program (DHS TRIP)
Benefits	Faster security lines, reduced screening requirements	Prevents recurring misidentification issues
Eligibility	Approval for a trusted traveler program	History of misidentification issues
Usage	Entered when booking flights to access expedited screening	Entered when booking flights to prevent misidentification
Issuing Agency	TSA, CBP	Department of Homeland Security (DHS)

How to Obtain a Redress Number:
- DHS TRIP Application: Apply for a Redress Number through the DHS TRIP website.
- Provide Information: Complete the online application form and provide all required information, including your personal details and a description of the misidentification issues you have experienced.
- Submit Documentation: Submit any supporting documentation, such as boarding passes, identification documents, and correspondence with airlines or security agencies.
- Review and Processing: DHS will review your application and conduct a thorough investigation to determine if you are eligible for a Redress Number.
- Receive Redress Number: If approved, you will receive a Redress Number that you can use when booking flights.
When to Use Each Number:
- Use KTN: If you are enrolled in a trusted traveler program and want to access expedited security screening.
- Use Redress Number: If you have experienced issues with misidentification and want to prevent these issues from recurring.
- Use Both: If you are enrolled in a trusted traveler program and have also experienced misidentification issues, you can use both your KTN and Redress Number when booking flights.

Understanding the difference between a Known Traveler Number and a Redress Number allows you to address specific travel-related challenges effectively. As you plan your trips to Napa Valley with travels.edu.vn, consider whether you need to use a KTN for expedited screening, a Redress Number to prevent misidentification, or both.

9. How Does TSA PreCheck Differ From Global Entry Regarding the Known Traveler Number?

TSA PreCheck and Global Entry are both trusted traveler programs that provide expedited security benefits, but they differ in scope, eligibility, and the specific benefits they offer. While both programs issue a Known Traveler Number (KTN), understanding their differences is crucial for choosing the program that best suits your travel needs.

TSA PreCheck:
- Focus: Expedited security screening at U.S. airports.
- Benefits: Access to TSA PreCheck lanes, which typically have shorter wait times and reduced screening requirements (no need to remove shoes, laptops, liquids, belts, or light jackets).
- Eligibility: Open to U.S. citizens, U.S. nationals, and lawful permanent residents.
- Cost: $77.95 to $85 for five years.
- Known Traveler Number (KTN): Issued upon approval and used to access TSA PreCheck benefits.
- Best For: Domestic travelers who primarily fly within the United States.
Global Entry:
- Focus: Expedited customs clearance for international travelers arriving in the United States.
- Benefits: Expedited customs clearance at U.S. airports, access to TSA PreCheck lanes, and reduced wait times at immigration.
- Eligibility: Open to U.S. citizens, U.S. lawful permanent residents, and citizens of certain other countries (e.g., граждане Мексики, Canada, the United Kingdom, Germany, the Netherlands, Panama, Singapore, South Korea, Switzerland, and Taiwan).
- Cost: $100 for five years.
- Known Traveler Number (KTN): Referred to as the CBP PASS ID, located on the back of the Global Entry card and used to access both Global Entry and TSA PreCheck benefits.
- Best For: International travelers who frequently travel to and from the United States.
Key Differences Summarized:

Feature	TSA PreCheck	Global Entry
Primary Benefit	Expedited security screening at U.S. airports	Expedited customs clearance for international arrivals
Additional Benefit	N/A	Includes TSA PreCheck benefits
Eligibility	U.S. citizens, U.S. nationals, and lawful permanent residents	U.S. citizens, U.S. lawful permanent residents, and citizens of certain other countries
Cost	$77.95 to $85 for five years	$100 for five years
KTN Identifier	Known Traveler Number	CBP PASS ID
Best For	Domestic travelers	International travelers
Customs Interview	Not Required	Required

How the KTN is Used in Each Program:
- TSA PreCheck: The KTN is entered when booking flights to ensure TSA PreCheck benefits are applied to the reservation. The boarding pass will display the TSA PreCheck indicator if the KTN is successfully linked.
- Global Entry: The CBP PASS ID (KTN) is entered when booking flights to access TSA PreCheck benefits. Additionally, the Global Entry card is used at Global Entry kiosks upon arrival in the United States for expedited customs clearance.
Choosing the Right Program:
- Consider Your Travel Patterns: If you primarily travel domestically, TSA PreCheck may be the more cost-effective option. If you frequently travel internationally, Global Entry offers broader benefits.
- Evaluate Additional Benefits: Global Entry includes TSA PreCheck benefits, making it a comprehensive option for both domestic and international travel.
- Check Credit Card Benefits: Some credit cards offer reimbursement for TSA PreCheck or Global Entry application fees, which can influence your decision.
Application Process:
- TSA PreCheck: Apply online through the official TSA website or an authorized enrollment provider. Schedule an in-person appointment for fingerprinting and verification of documents.