US United States Major Regions Postal Code Details
๐๏ธ Pike ยท Illinois
62370
Atlas
62312
Barry
62314
Baylis
62323
Chambersburg
62363
Detroit
62343
East Hannibal
62312
El Dara
62340
Griggsville
62343
Hull
62345
Kinderhook
62352
Milton
62355
Nebo
62356
New Canton
62357
New Salem
62361
Pearl
62362
Perry
62363
Pittsfield
62366
Pleasant Hill
62370
Rockport
62363
Summer Hill
62363
Time
62340
Valley City
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).