US United States Major Regions Postal Code Details
๐๏ธ Lee ยท Illinois
61310
Amboy
61006
Ashton
61310
Binghampton
61318
Compton
61021
Dixon
61324
Eldena
61031
Franklin Grove
61021
Grand Detour
61042
Harmon
60530
Lee
61331
Lee Center
61310
Maytown
61057
Nachusa
61021
Nelson
61353
Paw Paw
61021
Prairieville
60553
Scarboro
61310
Shaws
60553
Steward
61367
Sublette
61318
The Burg
61021
Walton
61378
West Brooklyn
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).