US United States Major Regions Postal Code Details
๐๏ธ Fulton ยท Illinois
61501
Astoria
61415
Avon
61520
Banner
61441
Bernadotte
61477
Blyton
61520
Breeds
61520
Brereton
61519
Bryant
61520
Canton
61415
Check Row
61427
Cuba
61524
Dunfermline
61431
Ellisville
61432
Fairview
61531
Farmington
61433
Fiatt
61415
Greenbush
61441
Ipava
61432
Joshua
61542
Lewistown
61542
Little America
61543
Liverpool
61544
London Mills
61459
Marietta
61531
Middlegrove
61520
Monterey
61459
New Philadelphia
61553
Norris
61544
Rapatee
61563
Saint David
61477
Seville
61477
Smithfield
61501
Summum
61482
Table Grove
61484
Vermont
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).