US United States Major Regions Postal Code Details
๐๏ธ Saint Croix ยท Wisconsin
54017
Alden
54002
Baldwin
54016
Boardman
54016
Burkhardt
54027
Cady
54017
Cylon
54007
Deer Park
54013
Emerald
54017
Erin
54002
Erin Prairie
54013
Glenwood City
54015
Hammond
54027
Hersey
54082
Houlton
54016
Hudson
54017
Huntington
54017
Jewett
54017
New Johannesburg
54017
New Richmond
54016
North Hudson
54015
Pleasant Valley
54023
Roberts
54002
Rush River
54028
Slag Pile
54025
Somerset
54017
Stanton
54023
Warren
54028
Wildwood
54027
Wilson
54028
Woodville
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).