US United States Major Regions Postal Code Details
๐๏ธ Kingsbury ยท South Dakota
57212
Arlington
57214
Badger
57353
Bancroft
57231
De Smet
57233
Erwin
57353
Esmond
57212
Hetland
57353
Iroquois
57212
Lake Poinsett
57249
Lake Preston
57353
Manchester
57051
Oldham
57233
Spirit Lake
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).