US United States Major Regions Postal Code Details
๐๏ธ Elmore ยท Idaho
83647
Anderson Dam
83647
Featherville
83623
Glenns Ferry
83627
Hammett
83627
Indian Cove
83633
King Hill
83647
Mountain Home
83648
Mountain Home AFB
83648
Mountain Home Air Force Base
83648
Mtn Home AFB
83647
Oasis
83647
Paradise Hot Springs
83647
Pine
83647
Prairie
83647
Rocky Bar
83647
Tipanuk
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).