US United States Major Regions Postal Code Details
๐๏ธ Fremont ยท Wyoming
82510
Arapahoe
82520
Atlantic City
82512
Burris
82512
Crowheart
82513
Dubois
82520
Ethete
82514
Fort Washakie
82501
Gas Hills
82515
Hudson
82310
Jeffrey City
82516
Kinnear
82520
Lander
82642
Lost Cabin
82501
Lucky Maccamp
82642
Lysite
82501
Midval
82501
Morton
82523
Pavillion
82310
Rawlins
82501
Riverton
82524
Saint Stephens
82501
Sand Draw
82649
Shoshoni
82520
South Pass City
82520
Sweetwater Station
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).