US United States Major Regions Postal Code Details
๐๏ธ Stark ยท Illinois
61421
Bradford
61421
Broadmoor
61426
Castleton
61483
Elmira
61483
Goshen
61449
La Fayette
61421
Lombardville
61421
Milo
61491
Modena
61421
Osceola
61483
Saxton
61479
Speer
61483
Toulon
61483
West Jersey
61491
Wyoming
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).