US United States Major Regions Postal Code Details
๐๏ธ Bureau ยท Illinois
61312
Arlington
61314
Buda
61315
Bureau
61315
Bureau Junction
61317
Cherry
61356
Coal Hollow
61320
Dalzell
61322
De Pue
61322
Depue
61322
Depue Junction
61323
Dover
61356
Hollowayville
61322
Howe
61328
Kasbeer
61330
La Moille
61329
Ladd
61329
Ladd Junction
61349
Limerick
61368
Lone Tree
61337
Malden
61338
Manlius
61344
Mineral
61345
Neponset
61346
New Bedford
61376
Normandy
61349
Ohio
61362
Ottoville
61356
Princeton
61368
Providence
61359
Seatonville
61361
Sheffield
61362
Spring Valley
61368
Tiskilwa
61374
Van Orin
61376
Walnut
61362
Webster Park
61379
Wyanet
61337
Zearing
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).