US United States Major Regions Postal Code Details
๐๏ธ Brookings ยท South Dakota
57002
Aurora
57006
Brookings
57220
Bruce
57276
Bushnell
57026
Elkton
57006
Lake Campbell
57061
Lake Sinai
57220
Oakwood Lake
57276
Roland Colony
57007
Sd State Univ
57061
Sinai
57007
South Dakota State Univ
57071
Volga
57026
Ward
57276
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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).