US United States Major Regions Postal Code Details
๐๏ธ Caribou ยท Idaho
83217
Bancroft
83241
Bench
83241
Central
83217
Chesterfield
83230
Conda
83241
Grace
83285
Gray
83230
Henry
83241
Lago
83217
Lund
83241
Niter
83217
Pebble
83285
Soda Springs
83241
Turner
83285
Wayan
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).