US United States Major Regions Postal Code Details
๐๏ธ Lee ยท Iowa
52619
Argyle
52639
Bluff Park
52619
Charleston
52624
Denmark
52625
Donnellson
52627
Fort Madison
52625
Franklin
52639
Galland
52631
Houghton
52632
Keokuk
52639
Montrose
52632
Mooar
52625
Mt Hamill
52648
Pilot Grove
52625
Primrose
52656
Saint Paul
52619
Sand Prairie
52632
Sandusky
52627
Sawyer
52632
Summitville
52657
West Point
52658
Wever
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).