US United States Major Regions Postal Code Details
๐๏ธ Hughes ยท South Dakota
57501
Ames
57522
Blunt
57501
Canning
57522
Degray
57501
Eakin
57501
Fairbank
57501
Francis
57536
Harrold
57536
Joe Creek
57501
Oahe
57501
Okobojo
57501
Pierre
57501
Rousseau
57501
Wendt
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).