US United States Major Regions Postal Code Details
๐๏ธ Clark ยท Arkansas
71921
Alpine
71921
Amity
71999
Arkadelphia
71721
Beirne
71923
Caddo Valley
71921
Caney Valley
71728
Curtis
71923
Dalark
71923
Degray
71921
Elm
71921
Fendley
71923
Griffithtown
71923
Gum Springs
71743
Gurdon
71923
Hearn
71999
Henderson State University
71923
Hollywood
71923
Joan
71962
Okolona
71998
Ouachita Baptist University
71921
Point Cedar
71923
Richwood
71921
Rosboro
71923
West Gum Springs
71772
Whelen Springs
71923
Witherspoon
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).