US United States Major Regions Postal Code Details
๐๏ธ Washington ยท Illinois
62214
Addieville
62808
Ashley
62263
Beaucoup
62808
Bolo
62271
Covington
62831
Du Bois
62268
Elkton
62803
Hoyleton
62803
Huegely
62848
Irvington
62268
Lively Grove
62263
Nashville
62263
New Minden
62268
Oakdale
62271
Okawville
62263
Pilot Knob
62876
Radom
62877
Richview
62263
Todds Mill
62214
Venedy
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).