US United States Major Regions Postal Code Details
๐๏ธ Butler ยท Kansas
67002
Andover
67010
Augusta
67012
Beaumont
67017
Benton
66842
Cassoday
67039
Douglass
67042
El Dorado
67041
Elbing
67072
Latham
67074
Leon
67123
Potwin
67132
Rosalia
67133
Rose Hill
67144
Towanda
67154
Whitewater
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).