US United States Major Regions Postal Code Details
๐๏ธ Racine ยท Wisconsin
53105
Burlington
53108
Caledonia
53405
Elmwood Park
53126
Franksville
53139
Kansasville
53404
Mount Pleasant
53405
Racine
53167
Rochester
53177
Sturtevant
53182
Union Grove
53185
Waterford
53407
Wi Natural Gas Co
53185
Wind Lake
53402
Wind Point
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).