US United States Major Regions Postal Code Details

🏛️ Fall River · South Dakota
57735
Ardmore
Ardmore fall river south dakota 57735 United States
57735
Burdock
Burdock fall river south dakota 57735 United States
57735
Dewey
Dewey fall river south dakota 57735 United States
57735
Edgemont
Edgemont fall river south dakota 57735 United States
57747
Heppner
Heppner fall river south dakota 57747 United States
57747
Hot Springs
Hot Springs fall river south dakota 57747 United States
57735
Lauzen
Lauzen fall river south dakota 57735 United States
57747
Maverick
Maverick fall river south dakota 57747 United States
57747
Minnekata
Minnekata fall river south dakota 57747 United States
57763
Oelrichs
Oelrichs fall river south dakota 57763 United States
57766
Oral
Oral fall river south dakota 57766 United States
57735
Provo
Provo fall river south dakota 57735 United States
57782
Smithwick
Smithwick fall river south dakota 57782 United States

📮US United States Regional Postal Code FAQ & Postal Regulations

📮 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.

🔍 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.

⚠️ 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.

🔄 Do ZIP codes ever change?

Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.

📦 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).

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