US United States Major Regions Postal Code Details
๐๏ธ Polk ยท Wisconsin
54001
Amery
54004
Arland
54810
Balsam Lake
54005
Black Brook
54824
Centuria
54837
Clam Falls
54004
Clayton
54005
Clear Lake
54006
Cushing
54001
Deronda
54009
Dresser
54020
East Farmington
54024
Eureka Center
54837
Frederic
54001
Joel
54006
Laketown
54837
Lewis
54001
Little Falls
54853
Luck
54858
Milltown
54005
New Haven
54020
Nye
54020
Osceola
54001
Range
54004
Reeve
54004
Richardson
54024
Saint Croix Falls
54009
Sandlake
54026
Star Prairie
54006
Sterling
54837
Trade Lake
54009
Ubet
54001
Wanderoos
54024
Wolfcreek
๐ฎUS United States Regional Postal Code FAQ & Postal Regulations
๐ฎ What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
๐ How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
โ ๏ธ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
๐ Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
๐ฆ Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).