US United States Major Regions Postal Code Details
๐๏ธ Warren ยท Kentucky
42122
Allen Springs
42122
Alvaton
42274
Blue Level
42101
Bowling Green
42274
Browning
42274
Cavehill
42101
Hadley
42159
Oakland
42274
Petros
42101
Plum Springs
42101
Richardsville
42274
Rockfield
42171
Smiths Grove
42170
Woodburn
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).