US United States Major Regions Postal Code Details
๐๏ธ Clinton ยท Iowa
52701
Andover
52727
Bryant
52729
Calamus
52730
Camanche
52731
Charlotte
52733
Clinton
52742
De Witt
52037
Delmar
52732
Elvira
52254
Elwood
52730
Folletts
52750
Goose Lake
52751
Grand Mound
52732
Hauntown
52254
Lost Nation
52757
Low Moor
52037
North Welton
52731
Petersville
52736
Promotional Fulfillment Corp
52734
Seventh Avenue
52730
Shaffton
52732
Six Mile
52731
Sugar Creek
52771
Teeds Grove
52777
Toronto
52774
Welton
52777
Wheatland
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).