US United States Major Regions Postal Code Details
๐๏ธ Kossuth ยท Iowa
50511
Algona
50517
Bancroft
50522
Burt
50539
Fenton
50560
Galbraith
50480
German Valley
50560
Hanna
50511
Hobarton
50560
Irvington
50451
Lakota
50556
Ledyard
50559
Lone Rock
50559
Lotts Creek
50560
Lu Verne
50511
Saint Benedict
50539
Seneca
50483
Sexton
50590
Swea City
50480
Titonka
50483
Wesley
50598
Whittemore
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).