US United States Major Regions Postal Code Details
๐๏ธ Oglala Lakota ยท South Dakota
57716
Batesland
57770
Calico
57716
Denby
57752
Kyle
57756
Manderson
57764
Oglala
57770
Pine Ridge
57770
Pine Ridge Reservation
57772
Porcupine
57772
Rockyford
57772
Sharps Corner
57794
Wounded Knee
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).