Last-Minute Cruises
Catch Your Last-Minute Cruise
Book now and set sail soon with the biggest savings at sea
Combine Cruise Line Offers With Our MileagePlus Cruise Awards Exclusives
  • You May Qualify for One or More Last-Minute Cruises Offers
Recommended Last-Minute Cruises
  • Was 210,000 miles – Save up to 89%
    Celebrity Reflection
    4.4 rating out of 5  (1,672 reviews)

    4 Night Key West & Bahamas

    Celebrity Reflection

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Key West, Florida
    • Bimini, Bahamas
    Sailing Dates:
    • December 2025
    interior from
    24,000
    miles
    6,000 milespernight
    oceanview from
    25,571
    miles
    6,393 milespernight
    balcony from
    33,000
    miles
    8,250 milespernight
    suite from
    124,000
    miles
    31,000 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Black Friday Kick-Off: $100 in Bonus Savings!
    • Black Friday Kick-Off: 75% Off 2nd Guest + Up to $300 in Savings!
     
    interior from
    24,000
    miles
    6,000 milespernight
    4.4 rating out of 5  (1,672 reviews)
  • Was 87,429 miles – Save up to 73%
    Navigator of the Seas
    4.1 rating out of 5  (3,310 reviews)

    3 Night Ensenada

    Navigator of the Seas

    Departing from: San Pedro (Los Angeles), California
    Ports of Call:
    • Ensenada, Mexico
    Sailing Dates:
    • January 2026
    interior from
    24,000
    miles
    8,000 milespernight
    oceanview from
    28,286
    miles
    9,429 milespernight
    balcony from
    32,571
    miles
    10,857 milespernight
    suite from
    48,286
    miles
    16,095 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Mega Deals: Reduced Rates & More
    • Black Friday Preview: Up to $400 Instant Savings
    • Call for rates too low to show!
     
    interior from
    24,000
    miles
    8,000 milespernight
    4.1 rating out of 5  (3,310 reviews)
  • Was 208,571 miles – Save up to 89%
    Celebrity Summit
    4.1 rating out of 5  (2,309 reviews)

    5 Night Bahamas Getaway

    Celebrity Summit

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Nassau, Bahamas
    • Bimini, Bahamas
    Sailing Dates:
    • November 2025
    • January 2026
    interior from
    23,429
    miles
    4,686 milespernight
    oceanview from
    25,429
    miles
    5,086 milespernight
    balcony from
    44,143
    miles
    8,829 milespernight
    suite from
    257,571
    miles
    51,514 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Exciting Deals: Reduced Rates + Drinks & Wi-Fi Included - Ends Monday
    • Black Friday Kick-Off: $100 in Bonus Savings!
     
    interior from
    23,429
    miles
    4,686 milespernight
    4.1 rating out of 5  (2,309 reviews)
  • Celebrity Summit
    4.1 rating out of 5  (2,309 reviews)

    4 Night Key West & Bahamas

    Celebrity Summit

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Key West, Florida
    • Bimini, Bahamas
    Sailing Dates:
    • December 2025
    interior from
    34,143
    miles
    8,536 milespernight
    oceanview from
    38,429
    miles
    9,607 milespernight
    balcony from
    78,286
    miles
    19,572 milespernight
    suite from
    311,571
    miles
    77,893 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Exciting Deals: Reduced Rates + Drinks & Wi-Fi Included - Ends Monday
    • Black Friday Kick-Off: $100 in Bonus Savings!
     
    interior from
    34,143
    miles
    8,536 milespernight
    4.1 rating out of 5  (2,309 reviews)
  • Sun Princess
    4.2 rating out of 5  (93 reviews)

    7 Night Eastern Caribbean with Puerto Rico

    Sun Princess

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Princess Cays (Cruise Line Private Island)
    • San Juan, Puerto Rico
    • Charlotte Amalie, St. Thomas, U.S.V.I.
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    35,571
    miles
    5,082 milespernight
    oceanview from
    59,857
    miles
    8,551 milespernight
    balcony from
    78,429
    miles
    11,204 milespernight
    suite from
    99,857
    miles
    14,265 milespernight
    Rewards & Bonus Offers:
    • Exclusive: Up to $100 to Spend on Board - Call
    • Exclusive: Free Onboard Savings Booklet - up to a $1,800 value!
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • Drop & Go Sale: Limited Time Reduced Rates!
    • Exclusive: Earn up to 20,000 award miles back!
    • Call for rates too low to show!
     
    interior from
    35,571
    miles
    5,082 milespernight
    4.2 rating out of 5  (93 reviews)
  • Was 130,714 miles – Save up to 71%
    Enchantment of the Seas
    4 rating out of 5  (4,162 reviews)

    5 Night Western Caribbean

    Enchantment of the Seas

    Departing from: Tampa, Florida
    Ports of Call:
    • Costa Maya (Mahahual), Mexico
    • Cozumel, Mexico
    Sailing Dates:
    • December 2025
    interior from
    38,286
    miles
    7,657 milespernight
    oceanview from
    Call for availability
    balcony from
    Call for availability
    suite from
    Call for availability
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Mega Deals: Reduced Rates & More
    • Black Friday Preview: Up to $400 Instant Savings
    • Call for rates too low to show!
     
    interior from
    38,286
    miles
    7,657 milespernight
    4 rating out of 5  (4,162 reviews)
  • Was 189,000 miles – Save up to 80%
    Celebrity Reflection
    4.4 rating out of 5  (1,672 reviews)

    3 Night Key West & Bahamas

    Celebrity Reflection

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Key West, Florida
    • Bimini, Bahamas
    Sailing Dates:
    • December 2025
    • January 2026
    interior from
    38,714
    miles
    12,905 milespernight
    oceanview from
    48,000
    miles
    16,000 milespernight
    balcony from
    51,571
    miles
    17,190 milespernight
    suite from
    119,143
    miles
    39,714 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Black Friday Kick-Off: $100 in Bonus Savings!
    • Black Friday Kick-Off: 75% Off 2nd Guest + Up to $300 in Savings!
     
    interior from
    38,714
    miles
    12,905 milespernight
    4.4 rating out of 5  (1,672 reviews)
  • Was 165,857 miles – Save up to 72%
    Wonder of the Seas
    4.5 rating out of 5  (523 reviews)

    3 Night Bahamas & Perfect Day

    Wonder of the Seas

    Departing from: Miami, Florida
    Ports of Call:
    • Perfect Day At Coco Cay, Bahamas
    • Nassau, Bahamas
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    46,857
    miles
    15,619 milespernight
    oceanview from
    65,429
    miles
    21,810 milespernight
    balcony from
    68,286
    miles
    22,762 milespernight
    suite from
    146,000
    miles
    48,667 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Preview: Up to $400 Instant Savings
     
    interior from
    46,857
    miles
    15,619 milespernight
    4.5 rating out of 5  (523 reviews)
  • Was 338,857 miles – Save up to 83%
    Celebrity Constellation
    4 rating out of 5  (1,083 reviews)

    7 Night Western Caribbean

    Celebrity Constellation

    Departing from: Tampa, Florida
    Ports of Call:
    • Cozumel, Mexico
    • Belize City, Belize
    • Costa Maya (Mahahual), Mexico
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    58,714
    miles
    8,388 milespernight
    oceanview from
    89,714
    miles
    12,816 milespernight
    balcony from
    157,286
    miles
    22,469 milespernight
    suite from
    546,857
    miles
    78,122 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Black Friday Kick-Off: $100 in Bonus Savings!
    • Black Friday Kick-Off: 75% Off 2nd Guest + Up to $800 in Savings!
     
    interior from
    58,714
    miles
    8,388 milespernight
    4 rating out of 5  (1,083 reviews)
  • Was 193,286 miles – Save up to 69%
    Allure of the Seas
    4.4 rating out of 5  (4,085 reviews)

    6 Night Western Caribbean

    Allure of the Seas - Revitalized Ship!

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Nassau, Bahamas
    • Costa Maya (Mahahual), Mexico
    • Cozumel, Mexico
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    59,429
    miles
    9,905 milespernight
    oceanview from
    123,000
    miles
    20,500 milespernight
    balcony from
    120,286
    miles
    20,048 milespernight
    suite from
    332,571
    miles
    55,429 milespernight
    Rewards & Bonus Offers:
    • Exclusive: Free Specialty Dinner for 2
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Mega Deals: Reduced Rates & More
     
    interior from
    59,429
    miles
    9,905 milespernight
    4.4 rating out of 5  (4,085 reviews)
  • Norwegian Bliss
    4.2 rating out of 5  (1,489 reviews)

    7 Night Mexican Riviera: Cabo & Puerto Vallarta

    Norwegian Bliss - OPEN BAR!

    Departing from: San Pedro (Los Angeles), California
    Ports of Call:
    • Puerto Vallarta, Mexico
    • Mazatlan, Mexico
    • Cabo San Lucas, Mexico
    Sailing Dates:
    • January 2026
    interior from
    84,143
    miles
    12,020 milespernight
    oceanview from
    101,286
    miles
    14,469 milespernight
    balcony from
    107,000
    miles
    15,286 milespernight
    suite from
    125,571
    miles
    17,939 milespernight
    Rewards & Bonus Offers:
    • Free Gratuities for 2 Included
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • Bonus MileagePlus Premier status offer!
    • 3rd & 4th Guests Sail Free!
    • 50% Off All Cruises + Free at Sea Perks
     
    interior from
    84,143
    miles
    12,020 milespernight
    4.2 rating out of 5  (1,489 reviews)
  • Symphony of the Seas
    4.6 rating out of 5  (1,618 reviews)

    7 Night Eastern Caribbean

    Symphony of the Seas

    Departing from: Miami, Florida
    Ports of Call:
    • Philipsburg, St. Maarten
    • Charlotte Amalie, St. Thomas, U.S.V.I.
    • Nassau, Bahamas
    Sailing Dates:
    • December 2025
    • January 2026
    interior from
    78,857
    miles
    11,265 milespernight
    oceanview from
    187,143
    miles
    26,735 milespernight
    balcony from
    142,857
    miles
    20,408 milespernight
    suite from
    446,143
    miles
    63,735 milespernight
    Rewards & Bonus Offers:
    • Exclusive: Free Specialty Dinner for 2
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Mega Deals: Reduced Rates & More
    • Call for rates too low to show!
     
    interior from
    78,857
    miles
    11,265 milespernight
    4.6 rating out of 5  (1,618 reviews)
  • Norwegian Aqua
    4.3 rating out of 5  (66 reviews)

    7 Night Eastern Caribbean

    Norwegian Aqua - New Ship!

    Departing from: Miami, Florida
    Ports of Call:
    • Puerto Plata, Dominican Republic
    • Charlotte Amalie, St. Thomas, U.S.V.I.
    • Road Town, Tortola, B.V.I.
    • Great Stirrup Cay (Cruiseline Private Island), Bahamas
    Sailing Dates:
    • November 2025
    • December 2025
    interior from
    85,571
    miles
    12,224 milespernight
    oceanview from
    135,571
    miles
    19,367 milespernight
    balcony from
    157,000
    miles
    22,429 milespernight
    suite from
    244,143
    miles
    34,878 milespernight
    Rewards & Bonus Offers:
    • Free Gratuities for 2 Included
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 50% Off All Cruises + Free at Sea Perks
     
    interior from
    85,571
    miles
    12,224 milespernight
    4.3 rating out of 5  (66 reviews)
  • Caribbean Princess
    3.9 rating out of 5  (1,945 reviews)

    12 Night Circle Caribbean

    Caribbean Princess

    Departing from: Ft. Lauderdale (Port Everglades), Florida
    Ports of Call:
    • Oranjestad, Aruba
    • Kralendijk, Bonaire
    • Roseau, Dominica
    • Philipsburg, St. Maarten
    • Charlotte Amalie, St. Thomas, U.S.V.I.
    • St. Johns, Antigua
    Sailing Dates:
    • December 2025
    interior from
    97,143
    miles
    8,095 milespernight
    oceanview from
    99,714
    miles
    8,310 milespernight
    balcony from
    Call for availability
    suite from
    Call for availability
    Rewards & Bonus Offers:
    • Exclusive: Free Onboard Savings Booklet - up to a $1,800 value!
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • Drop & Go Sale: Limited Time Reduced Rates!
    • Exclusive: Earn up to 20,000 award miles back!
    • Call for rates too low to show!
     
    interior from
    97,143
    miles
    8,095 milespernight
    3.9 rating out of 5  (1,945 reviews)
  • Was 486,143 miles – Save up to 83%
    Celebrity Beyond
    4.5 rating out of 5  (372 reviews)

    7 Night Tortola San Juan & Dominican Republic

    Celebrity Beyond

    Departing from: Miami, Florida
    Ports of Call:
    • Tortola, British Virgin Islands
    • San Juan, Puerto Rico
    • Puerto Plata, Dominican Republic
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    84,714
    miles
    12,102 milespernight
    oceanview from
    90,286
    miles
    12,898 milespernight
    balcony from
    89,714
    miles
    12,816 milespernight
    suite from
    485,571
    miles
    69,367 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Black Friday Kick-Off: $100 in Bonus Savings!
    • Black Friday Kick-Off: 75% Off 2nd Guest + Up to $800 in Savings!
     
    interior from
    84,714
    miles
    12,102 milespernight
    4.5 rating out of 5  (372 reviews)
  • Was 485,286 miles – Save up to 76%
    Celebrity Beyond
    4.5 rating out of 5  (372 reviews)

    7 Night St. Thomas St. Kitts & Puerto Plata

    Celebrity Beyond

    Departing from: Miami, Florida
    Ports of Call:
    • Puerto Plata, Dominican Republic
    • Charlotte Amalie, St. Thomas, U.S.V.I.
    • Basseterre, St. Kitts
    Sailing Dates:
    • December 2025
    • January 2026
    interior from
    115,429
    miles
    16,490 milespernight
    oceanview from
    129,000
    miles
    18,429 milespernight
    balcony from
    154,000
    miles
    22,000 milespernight
    suite from
    442,286
    miles
    63,184 milespernight
    Rewards & Bonus Offers:
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • All-Included: Drinks & Wi-Fi
    • 3rd, 4th & 5th Guests Sail Free
    • Black Friday Kick-Off: $100 in Bonus Savings!
    • Black Friday Kick-Off: 75% Off 2nd Guest + Up to $800 in Savings!
     
    interior from
    115,429
    miles
    16,490 milespernight
    4.5 rating out of 5  (372 reviews)
  • Icon of the Seas
    4.6 rating out of 5  (230 reviews)

    7 Night Western Caribbean & Perfect Day

    Icon of the Seas

    Departing from: Miami, Florida
    Ports of Call:
    • Costa Maya (Mahahual), Mexico
    • Roatan (Isla Roatan), Bay Islands, Honduras
    • Cozumel, Mexico
    • Perfect Day At Coco Cay, Bahamas
    Sailing Dates:
    • November 2025
    • December 2025
    • January 2026
    interior from
    154,571
    miles
    22,082 milespernight
    oceanview from
    169,000
    miles
    24,143 milespernight
    balcony from
    177,857
    miles
    25,408 milespernight
    suite from
    306,286
    miles
    43,755 milespernight
    Rewards & Bonus Offers:
    • Exclusive: Free Specialty Dinner for 2
    • Card Exclusive: Get up to 60,000 Miles Back
    • Exclusive Offer: Up to 45,000 Miles Back
    • 60% Off Second Guest
    • Kids Sail Free!
    • Black Friday Mega Deals: Reduced Rates & More
    • Call for rates too low to show!
     
    interior from
    154,571
    miles
    22,082 milespernight
    4.6 rating out of 5  (230 reviews)

ESCAPE WITH A LAST-MINUTE DEAL!

Cruise soon and get the hottest deals around

Enjoy exceptional value when you book a last-minute cruise adventure on one of the world's top fleets with MileagePlus Cruise Awards. Act now and sail away with bonus offers like free spending, free upgrades and more. Plus, your one-time, special low fare includes all meals, accommodations, and loads of day or night activities onboard fit for all types of travelers.

Last-minute getaways are the way to save, so hurry and plan the cruise vacation of a lifetime today before it's too late!



Terms & Conditions
Mileage Plus Holdings, LLC has engaged World Travel Holdings, Inc., a third party provider, to host this cruise award redemption website and to provide certain members of the MileagePlus Program with the ability to redeem MileagePlus miles for cruise awards through the site. To redeem miles for your cruise vacation, member must use MileagePlus miles or a combination of miles and money to cover cruise fares, taxes, and fees for each guest in the reserved stateroom; amount of miles needed varies by sailing and stateroom. The portion of the cruise price that is not paid in miles must be paid for in U.S. dollars. MileagePlus reserves the right to establish eligibility criteria for redemption of awards. All award orders are subject to availability. Each member must have sufficient miles in his or her MileagePlus account to complete the transaction. Your miles will be deducted at the time of purchase. In the event that miles have not been properly debited from your account at the time of redemption, miles can be debited by MileagePlus at any time. Miles redemptions may only be made from a single account per transaction. You may not combine miles from two or more accounts on a single transaction. In its sole discretion, MileagePlus may permit members to purchase cruises using a combination of miles and money for a limited number of awards. Not all members will be eligible to make purchases using miles and money. The amount of miles or miles and money necessary for a transaction will be set by MileagePlus in its sole discretion, are subject to change and may vary by member. Any money portion of any purchase must be paid with a major credit card. Any money portion or redemption fees or charges will appear on your credit card statements as "MileagePlus Cruise Awards". No MileagePlus miles will be awarded in connection with any transaction made using MileagePlus miles or a combination of miles and money as the form of payment. Miles accrued, awards, and benefits issued are subject to change and are subject to the rules of the United MileagePlus program, including without limitation the Premier® program (the "MileagePlus Program"), which are expressly incorporated herein. United may change the MileagePlus Program including, but not limited to, rules, regulations, travel awards, and special offers or terminate the MileagePlus Program at any time and without notice. United and its subsidiaries, affiliates, and agents are not responsible for any products or services of other participating companies and partners. United and MileagePlus are registered service marks. For complete details about the MileagePlus Program, go to www.united.com.

Premier status offers are valid only for new individual United Cruises bookings for qualifying staterooms on Norwegian, Oceania, and Regent Seven Seas departing on or before 12/31/27. Booking must be made at least 45 days prior to departure to receive Premier status offer through United Cruises by phone or online at cruises.united.com; or MileagePlus Cruises Awards by phone or online at cruises.mileageplus.com. Offer is only available for United MileagePlus® members with Premier status. MileagePlus member number must be provided at time of booking as Reward Earner or Redeemer to validate membership status level with United Airlines. If MileagePlus member with Premier status is a passenger on the booking but is not flagged the Reward Earner or Redeemer, status will not be validated and offer will not be awarded. Qualification for the offer is based on Premier status at time of booking.

“Refundable Rate” only applies to the deposit portion of the cruise fare and the cruise must be cancelled prior to the applicable cruise line’s Final Payment deadline to qualify. Deposit does not include any applicable processing fees. Other restrictions or cancellation penalties may apply. Refundable Rate Offer does not apply to chartered sailings or contracted group bookings.

NONE OF UNITED AIRLINES, INC., MILEAGE PLUS HOLDINGS, LLC, THEIR AFFILIATES, OR ANY EMPLOYEES, OFFICERS, DIRECTORS OR AGENTS OF ANY SUCH PARTIES SHALL BE HELD LIABLE FOR, AND EACH MEMBER HEREBY WAIVES ANY CLAIM AGAINST SUCH PARTIES FOR ANY LOSS OF OR DAMAGE TO PROPERTY, ANY INJURY TO PERSON, OR ANY OTHER LOSS OR DAMAGE CAUSED BY REASON OF ANY DEFECT, FAILURE, NEGLIGENCE OR OTHER WRONGFUL ACT OR OMISSION, OF ANY OF WORLD TRAVEL HOLDINGS, INC., ITS AFFILIATES OR AGENTS, ANY CRUISE LINE OR, ANY OTHER THIRD PARTY PROVIDING SERVICES UNDER THE CRUISE AWARD REDEMPTION PROGRAM, OR ANY EMPLOYEE OR AGENT THEREOF. IN NO EVENT SHALL ANY PARTY BE LIABLE FOR CONSEQUENTIAL, INDIRECT, OR SPECIAL DAMAGES.
Need help finding
the perfect cruise?
Our cruise experts are
standing by 24 hours a day,
7 days a week. Call now:
800-474-2052
Sign Up for Exclusive Offers and Discounts

Receive exclusive offers and discounts to your inbox. Don't worry - we hate spam and we won't sell your email address to a third party.

email@sample.com
5-digit U.S. Zip Code