US United States Major Regions Postal Code Details
๐๏ธ Knox ยท Indiana
47512
Bicknell
47516
Bruceville
47561
Busseron
47524
Decker
47528
Edwardsport
47561
Emison
47535
Freelandville
47591
Fritchton
47512
Indian Creek Settlement
47512
Jonestown
47557
Monroe City
47561
Oaktown
47573
Ragsdale
47578
Sandborn
47597
Steen
47591
Vincennes
47596
Westphalia
47597
Wheatland
47561
Widner
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).