US United States Major Regions Postal Code Details
๐๏ธ Hancock ยท Iowa
50423
Britt
50430
Corwith
50432
Crystal Lake
50447
Denhart
50423
Duncan
50438
Garner
50439
Goodell
50438
Hayfield
50423
Hutchins
50447
Kanawha
50449
Klemme
50438
Miller
50423
Stilson
50484
Woden
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).