US United States Major Regions Postal Code Details
๐๏ธ Grundy ยท Illinois
60407
Braceville
60416
Carbon Hill
60416
Coal City
60416
Diamond
60474
East Brooklyn
60416
Eileen
60424
Gardner
60407
Godley
60437
Kinsman
60444
Mazon
60447
Minooka
60450
Morris
60474
South Wilmington
60479
Verona
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).