US United States Major Regions Postal Code Details
๐๏ธ Monroe ยท Wisconsin
54656
Camp Mccoy
54619
Cashton
54620
Cataract
54656
Fort Mccoy
54638
Kendall
54648
Norwalk
54649
Oakdale
54656
Sparta
54660
Tomah
54662
Tunnel City
54666
Warrens
54670
Wilton
54660
Wyeville
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).