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Known Traveler Number: Here’s What You Need To Know [2024]

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Spencer Howard
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Spencer Howard

Former Content Contributor

51 Published Articles

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Always a fan of flying, Spencer wanted to find ways to upgrade his travel experience. Over the years, Spencer has been a guest speaker on multiple YouTube shows as well as podcasts on maximizing point...
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Keri Stooksbury

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With years of experience in corporate marketing and as the executive director of the American Chamber of Commerce in Qatar, Keri is now editor-in-chief at UP, overseeing daily content operations and r...
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Kellie Jez

Director of Operations & Compliance

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Kellie’s professional experience has led her to a deep passion for compliance, data reporting, and process improvement. Kellie’s learned the ins and outs of the points and miles world and leads UP’s c...

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If you’re new to TSA PreCheck or Global Entry, you may be wondering what a Known Traveler Number (KTN) is, how it works, and why there’s a KTN box when booking flights, but there isn’t one for your TSA PreCheck or Global Entry number. Here’s what you should know about your KTN.

What Is a Known Traveler Number?

Your Known Traveler Number is your membership number with a Trusted Traveler Program. This number is what allows you to access TSA PreCheck security lanes and Global Entry lanes (depending on which Trusted Traveler Program you join).

How To Get a Known Traveler Number

To acquire a Known Traveler Number, you must participate in one of the Trusted Traveler Programs. These are:

Global Entry and TSA PreCheck are by far the most popular options in the U.S. The NEXUS and SENTRI programs also provide a Known Traveler Number, though these programs are much less commonly used in the U.S.

Credit Cards That Reimburse for Global Entry, TSA PreCheck, and/or NEXUS Application Fees

Many premium credit cards will reimburse you for the application fee for either Global Entry or TSA PreCheck (including American Express, Capital One, Chase, and Citi, which all provide cards that offer an application fee reimbursement).

BEST LOUNGE ACCESS
The Platinum Card® from American ExpressTerms Apply / Rates & Fees
U.P. Rating 
The rating for this card has been determined by our own industry experts who know the in's and out's of credit card products. Bonuses, rewards as well as rates and fees are all taken into account. Compensation from the issuer does not affect our rating. We only recommend products we either use ourselves or endorse.

The Amex Platinum reigns supreme for luxury travel, offering the best airport lounge access plus generous statement credits, and complimentary elite status.

Learn More(at Amex's secure site)

Apply With Confidence

Know if you're approved with no credit score impact

If you're approved and accept this Card, your credit score may be impacted.

The Amex Platinum reigns supreme for luxury travel, offering the best airport lounge access plus generous statement credits, and complimentary elite status.
Earn 80,000 Membership Rewards® Points after you spend $8,000 on eligible purchases on the Card in your first 6 months of Card Membership.
80,000 points
$1,760
$695
See Pay Over Time APR
Upgraded Points credit ranges are a variation of FICO®Score 8, one of many types of credit scores lenders may use when considering your credit cardapplication.
Good to Excellent (670-850)

When it comes to cards that offer top-notch benefits, you’d be hard-pressed to find a better card out there than The Platinum Card® from American Express.

Make no mistake — the Amex Platinum card is a premium card with a premium price tag. With amazing benefits like best-in-class airport lounge access, hotel elite status, and tremendous value in annual statement credits, it can easily prove to be one of the most lucrative cards in your wallet year after year.

Pros
  • The best airport lounge access out of any card (by far) — enjoy access to over 1,400 worldwide lounges, including the luxurious Amex Centurion Lounges, Priority Pass lounges, Plaza Premium Lounges, and many more!
  • 5x points per dollar spent on flights purchased directly with the airline or with AmexTravel.com (up to $500,000 per year)
  • 5x points per dollar spent on prepaid hotels booked with AmexTravel.com
Cons
  • $695 annual fee (rates and fees)
  • Airline credit does not cover airfare (only incidentals like checked bags)
  • Earn 80,000 Membership Rewards® Points after you spend $8,000 on eligible purchases on your new Card in your first 6 months of Card Membership. Apply and select your preferred metal Card design: classic Platinum, Platinum x Kehinde Wiley, or Platinum x Julie Mehretu.
  • Earn 5X Membership Rewards® Points for flights booked directly with airlines or with American Express Travel up to $500,000 on these purchases per calendar year and earn 5X Membership Rewards® Points on prepaid hotels booked with American Express Travel.
  • $200 Hotel Credit: Get up to $200 back in statement credits each year on prepaid Fine Hotels + Resorts® or The Hotel Collection bookings with American Express Travel when you pay with your Platinum Card®. The Hotel Collection requires a minimum two-night stay.
  • $240 Digital Entertainment Credit: Get up to $20 back in statement credits each month on eligible purchases made with your Platinum Card® on one or more of the following: Disney+, a Disney Bundle, ESPN+, Hulu, The New York Times, Peacock, and The Wall Street Journal. Enrollment required.
  • The American Express Global Lounge Collection® can provide an escape at the airport. With complimentary access to more than 1,400 airport lounges across 140 countries and counting, you have more airport lounge options than any other credit card issuer on the market. As of 03/2023.
  • $155 Walmart+ Credit: Save on eligible delivery fees, shipping, and more with a Walmart+ membership. Use your Platinum Card® to pay for a monthly Walmart+ membership and get up to $12.95 plus applicable taxes back on one membership (excluding Plus Ups) each month.
  • $200 Airline Fee Credit: Select one qualifying airline and then receive up to $200 in statement credits per calendar year when incidental fees are charged by the airline to your Platinum Card®.
  • $200 Uber Cash: Enjoy Uber VIP status and up to $200 in Uber savings on rides or eats orders in the US annually. Uber Cash and Uber VIP status is available to Basic Card Member only. Terms Apply.
  • $189 CLEAR® Plus Credit: CLEAR® Plus helps to get you to your gate faster at 50+ airports nationwide and get up to $189 back per calendar year on your Membership (subject to auto-renewal) when you use your Card. CLEARLanes are available at 100+ airports, stadiums, and entertainment venues.
  • Receive either a $100 statement credit every 4 years for a Global Entry application fee or a statement credit up to $85 every 4.5 year period for TSA PreCheck® application fee for a 5-year plan only (through a TSA PreCheck® official enrollment provider), when charged to your Platinum Card®. Card Members approved for Global Entry will also receive access to TSA PreCheck at no additional cost.
  • Shop Saks with Platinum: Get up to $100 in statement credits annually for purchases in Saks Fifth Avenue stores or at saks.com on your Platinum Card®. That's up to $50 in statement credits semi-annually. Enrollment required.
  • Unlock access to exclusive reservations and special dining experiences with Global Dining Access by Resy when you add your Platinum Card® to your Resy profile.
  • $695 annual fee.
  • Terms Apply.
Financial Snapshot
  • APR: See Pay Over Time APR
  • Foreign Transaction Fees: None
Rewards Center

American Express Membership Rewards

150K OFFER
The Business Platinum Card® from American ExpressTerms Apply / Rates & Fees
U.P. Rating 
The rating for this card has been determined by our own industry experts who know the in's and out's of credit card products. Bonuses, rewards as well as rates and fees are all taken into account. Compensation from the issuer does not affect our rating. We only recommend products we either use ourselves or endorse.

This card is ideal for business travelers who enjoy luxury travel and are looking for a card loaded with benefits!

Learn More(at Amex's secure site)
This card is ideal for business travelers who enjoy luxury travel and are looking for a card loaded with benefits!
Earn 150,000 Membership Rewards® points after you spend $20,000 in eligible purchases on the Card within the first 3 months of Card Membership.
150,000 points
$3,300
$695
19.49% - 28.49% Variable
Upgraded Points credit ranges are a variation of FICO®Score 8, one of many types of credit scores lenders may use when considering your credit cardapplication.
Good to Excellent (670-850)

The Business Platinum Card® from American Express is a premium travel rewards card tailored toward business owners who are frequent travelers with a high number of annual expenses.

When you factor in the large number of perks that the card offers like the best airport lounge access at over 1,400 lounges, along with tons of annual credits, it’s easy to see why this card can is a top option for frequent traveling business owners.

Hot Tip: Check to see if you’re eligible for a huge welcome bonus offer of up to 170,000 points with the Amex Business Platinum. The current public offer is 150,000 points. (This targeted offer was independently researched and may not be available to all applicants.)

Pros
  • 5x Membership Rewards points per $1 on flights and prepaid hotels at Amex Travel
  • Access to over 1,400 worldwide airport lounges as part of the American Express Global Lounge Collection
  • Get 50% more Membership Rewards points (1.5 points per $1) on eligible purchases in key business categories, as well as on purchases of $5,000 or more (cap applies)
Cons
  • High annual fee of $695 (rates & fees)
  • Airline fee credit does not cover airfare, only incidentals like checked bags
  • Welcome Offer: Earn 150,000 Membership Rewards® points after you spend $20,000 in eligible purchases on the Card within the first 3 months of Card Membership.
  • 5X Membership Rewards® points on flights and prepaid hotels on AmexTravel.com, and 1X points for each dollar you spend on eligible purchases.
  • Earn 1.5X points (that’s an extra half point per dollar) on each eligible purchase at US construction material, hardware suppliers, electronic goods retailers, and software & cloud system providers, and shipping providers, as well as on purchases of $5,000 or more everywhere else, on up to $2 million of these purchases per calendar year.
  • Unlock over $1,000 in statement credits on select purchases, including tech, recruiting and wireless in the first year of membership with the Business Platinum Card®. Enrollment required. See how you can unlock over $1,000 annually in credits on select purchases with the Business Platinum Card®, here.
  • $200 Airline Fee Credit: Select one qualifying airline and then receive up to $200 in statement credits per calendar year when incidental fees are charged by the airline to the Card.
  • $189 CLEAR® Plus Credit: Use your card and get up to $189 in statement credits per calendar year on your CLEAR® Plus Membership (subject to auto-renewal) when you use the Business Platinum Card®.
  • The American Express Global Lounge Collection® can provide an escape at the airport. With complimentary access to more than 1,400 airport lounges across 140 countries and counting, you have more airport lounge options than any other credit card issuer on the market as of 03/2023.
  • $695 Annual Fee.
  • Terms Apply.
Financial Snapshot
  • APR: 19.49% - 28.49% Variable
  • Foreign Transaction Fees: None
Rewards Center

American Express Membership Rewards

Chase Sapphire Reserve®
U.P. Rating 
The rating for this card has been determined by our own industry experts who know the in's and out's of credit card products. Bonuses, rewards as well as rates and fees are all taken into account. Compensation from the issuer does not affect our rating. We only recommend products we either use ourselves or endorse.

A top player in the high-end premium travel credit card space that earns 3x points on travel and dining while offering top luxury perks.

A top player in the high-end premium travel credit card space that earns 3x points on travel and dining while offering top luxury perks.
Earn 75,000 bonus points after you spend $4,000 on purchases in the first 3 months from account opening. That's worth $1,125 when redeemed through Chase Travel℠.
75,000 points
$1,500
$550
22.49%-29.49% Variable
Upgraded Points credit ranges are a variation of FICO®Score 8, one of many types of credit scores lenders may use when considering your credit cardapplication.
Excellent (740-850)

If you’re looking for an all-around excellent travel rewards card, the Chase Sapphire Reserve® is one of the best options out there.

The card combines elite travel benefits and perks like airport lounge access, with excellent point earning and redemption options.  Plus it offers top-notch travel insurance protections to keep you covered whether you’re at home or on the road.

Don’t forget the $300 annual travel credit which really helps to reduce the annual fee!

Pros
  • 10x total points on hotels and car rentals when you purchase travel through Chase TravelSM immediately after the first $300 is spent on travel purchases annually
  • 10x points on Lyft purchases March 31, 2025
  • 10x points on Peloton equipment and accessory purchases over $250 through March 31, 2025
Cons
  • $550 annual fee
  • Does not offer any sort of hotel elite status
  • Earn 75,000 bonus points after you spend $4,000 on purchases in the first 3 months from account opening. That’s $1,125 toward travel when you redeem through Chase TravelSM.
  • $300 Annual Travel Credit as reimbursement for travel purchases charged to your card each account anniversary year.
  • Earn 5x total points on flights and 10x total points on hotels and car rentals when you purchase travel through Chase TravelSM immediately after the first $300 is spent on travel purchases annually. Earn 3x points on other travel and dining & 1 point per $1 spent on all other purchases
  • Get 50% more value when you redeem your points for travel through Chase TravelSM. For example, 75,000 points are worth $1125 toward travel.
  • 1:1 point transfer to leading airline and hotel loyalty programs
  • Access to 1,300+ airport lounges worldwide after an easy, one-time enrollment in Priority PassTM Select and up to $100 application fee credit every four years for Global Entry, NEXUS, or TSA PreCheck®
  • Count on Trip Cancellation/Interruption Insurance, Auto Rental Collision Damage Waiver, Lost Luggage Insurance and more.
  • Member FDIC
Financial Snapshot
  • APR: 22.49%-29.49% Variable
  • Foreign Transaction Fees: $0
Rewards Center

Chase Ultimate Rewards

Capital One Venture Rewards Credit CardTerms Apply / Rates & Fees
U.P. Rating 
The rating for this card has been determined by our own industry experts who know the in's and out's of credit card products. Bonuses, rewards as well as rates and fees are all taken into account. Compensation from the issuer does not affect our rating. We only recommend products we either use ourselves or endorse.

Get 2x miles plus some of the most flexible redemptions offered by a travel credit card!

Get 2x miles plus some of the most flexible redemptions offered by a travel credit card!
Enjoy a one-time bonus of 75,000 miles once you spend $4,000 on purchases within 3 months from account opening, equal to $750 in travel.
75,000 miles
$1,350
$95
19.99% - 29.99% (Variable)
Upgraded Points credit ranges are a variation of FICO®Score 8, one of many types of credit scores lenders may use when considering your credit cardapplication.
Good to Excellent Credit (670-850)

The Capital One Venture Rewards Credit Card is one of the most popular rewards cards on the market. It’s perfect for anyone in search of a great welcome offer, high rewards rates, and flexible redemption options.

Frequent travelers with excellent credit may benefit from this credit card that offers a lot of bells and whistles. And it offers easy-to-understand rewards earning and redemption.

Pros
  • 5x miles per $1 on hotels and rental cars booked through Capital One Travel
  • 2x miles per $1 on all other purchases
  • Global Entry or TSA PreCheck application fee credit
Cons
  • Enjoy a one-time bonus of 75,000 miles once you spend $4,000 on purchases within 3 months from account opening, equal to $750 in travel
  • Earn unlimited 2X miles on every purchase, every day
  • Earn 5X miles on hotels and rental cars booked through Capital One Travel, where you'll get Capital One's best prices on thousands of trip options
  • Miles won't expire for the life of the account and there's no limit to how many you can earn
  • Receive up to a $100 credit for Global Entry or TSA PreCheck®
  • Use your miles to get reimbursed for any travel purchase—or redeem by booking a trip through Capital One Travel
  • Enrich every hotel stay from the Lifestyle Collection with a suite of cardholder benefits, like a $50 experience credit, room upgrades, and more
  • Transfer your miles to your choice of 15+ travel loyalty programs
Financial Snapshot
  • APR: 19.99% - 29.99% (Variable)
  • Foreign Transaction Fees: None
Rewards Center

Capital One Miles

Since several cards offer this benefit, consider the other benefits of your credit card options before you choose one. Look at the points they earn, trip delay protection, purchase protection, elite status, or airport lounge access.

If your priority is earning tons of valuable (and transferable!) points, you might choose the Chase Sapphire Reserve card. It earns 5x points on air travel and 10x points on hotels and car rentals when you purchase travel through Chase Travel, 10x points on Lyft (through March 2025), 3x points on all other travel, and it comes with a Priority Pass Select membership for lounge access. You’ll also receive a $300 travel credit that is automatically applied to your first $300 in travel purchases each cardmember year (this includes taxis, Uber, Lyft, train tickets, flights, hotels, and more).

If airport lounge access and elite status are your top priorities, the Amex Platinum card and Amex Business Platinum card provide world-class lounge access, including Centurion Lounges and Delta Sky Clubs (when flying Delta), on top of a Priority Pass Select membership upon enrollment. Cardholders also receive elite status with both Hilton Honors and Marriott Bonvoy upon enrollment. To top it off, you’ll earn 5x Membership Rewards points when booking flights directly with an airline.

And for travelers who value simplicity in earning and redeeming their rewards along with a reasonable annual fee, consider the Capital One Venture X card. It earns 2x Capital One miles on all purchases and comes with the lowest annual fee among the most popular premium credit cards.

Whichever card you choose, all you have to do is use it to pay for the Global Entry or TSA PreCheck application fee, and you’ll automatically be reimbursed.

How To Find Your Known Traveler Number

Hot Tip: You can find your PASSID (also known as your Known Traveler Number) on the back of your Global Entry, NEXUS, or SENTRI card.

If you only have TSA PreCheck, log in to the Trusted Traveler Program website to access your PASSID/Known Traveler Number. If you lose your Global Entry, NEXUS, or SENTRI card, you can use the Trusted Traveler Program site to find the number.

How To Add Your Known Traveler Number to Bookings

Delta Known Traveler Number
Once you’ve selected your flights on an airline such as Delta, you can enter your Known Traveler Number and other passenger details. Image Credit: Delta

While it might not be apparent at first, you’ll be happy to know that your TSA PreCheck or Global Entry number is, in fact, your Known Traveler Number. Simply enter your Known Traveler Number in the appropriate field when booking your flight. This can also be done later — even at the check-in desk at the airport.

The vast majority of the time, you do not need to carry your Global Entry card to access the airport’s TSA PreCheck or Global Entry lanes. That said, there have been some recent reports of travelers being asked to show their physical card. This appears to happen most at airports that allow travelers with Global Entry to preclear security, especially for flights departing from Canada. It also may happen when entering the U.S. by car via NEXUS or SENTRI lanes.

Hot Tip: Unlike when returning from most countries, if you want to access Global Entry lanes when returning from Canada, you will need your physical Global Entry card with you.

Global Entry or TSA PreCheck: Which One Is Right for You?

As anyone who’s been through airport security knows, it can be a frustrating hassle. To expedite the screening process at many U.S. airports, TSA PreCheck access provides a much better experience. If you are returning to the U.S. from an international destination, Global Entry can make getting through customs a breeze.

If you mainly travel within the U.S., you might think that you only need to get TSA PreCheck — this is understandable, considering the fee is $78 compared to $100 for Global Entry.

However, a Global Entry membership also provides access to TSA PreCheck. When you account for the application fee reimbursement offered by several credit cards, why wouldn’t you go ahead and get Global Entry? With the right card, the impact on your wallet is the same — neither should cost you a dime!

By getting Global Entry, you can enjoy a quicker security experience when boarding flights in the U.S. If you decide to travel abroad, you can take comfort in the fact that returning to the U.S. will be easy.

Hot Tip: If you have additional questions, don’t miss our piece on the top Global Entry FAQs and TSA PreCheck FAQs

Final Thoughts

Airports are becoming busier by the year, so having access to TSA PreCheck and Global Entry is vital for quicker and smoother security screenings. With so many credit cards offering to reimburse you for the application fee, there is no excuse not to have a Known Traveler Number.

Whether you get TSA PreCheck or Global Entry, you’ll be all set for a better airport experience — just enter your PASSID/Known Traveler Number when booking your flight.


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Known Traveler Number
Image Credit: Upgraded Points

The information regarding the Capital One Venture Rewards Credit Card was independently collected by Upgraded Points and not provided nor reviewed by the issuer.
The information regarding the Capital One Venture X Rewards Credit Card was independently collected by Upgraded Points and not provided nor reviewed by the issuer.

For rates and fees of The Platinum Card® from American Express, click here.
For rates and fees of The Business Platinum Card® from American Express, click here.

Frequently Asked Questions

How do I know if I have a Known Traveler Number?

If you have applied for and been approved for Global Entry, NEXUS, SENTRI, or TSA PreCheck, you have a Known Traveler Number. It is your membership number from one of these Trusted Traveler Programs.

Can you add a Known Traveler Number after booking your flight?

Yes. If you forget to add your Known Traveler Number at the time of booking, you can add it later. This can be done online or at the check-in desk at the airport. We recommend doing it online before checking in.

Why isn't my Known Traveler Number working?

If your Known Traveler Number isn’t working, the likely causes are:

  • You, a travel agent, or reservations agent entered the number incorrectly
  • Your name doesn’t match what is on your Trusted Traveler Program profile

Where do I find my Known Traveler Number on my Global Entry card?

Your Known Traveler Number can be found on the back of your Global Entry card. It is your PASSID number.

If you have NEXUS or SENTRI, your PASSID number will also be found on the back of your card.

How long is a Known Traveler Number good for?

Your membership with a Trusted Traveler Program lasts 5 years. At that point, you will need to renew your membership and pay another fee. Don’t forget to use a credit card that will reimburse you for the fee!

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About Spencer Howard

Always a fan of flying, it was only natural that Spencer was drawn to finding a way to improve the travel experience.

Like many, he started this journey searching for cheap flights to take him around the world. This was fun for a while, but Spencer was intrigued by the idea of flying in business and first class!

Throwing himself into what became an extensive research project, Spencer spent 3-4 hours per night learning everything he could about frequent flyer miles over the course of several months (he thinks this is normal). He runs Straight to the Points, an award-seat alert platform.

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