US United States Major Regions Postal Code Details
๐๏ธ Lake ยท South Dakota
57016
Brant Lake
57016
Chester
57016
Franklin
57042
Junius
57016
Lake Brandt
57042
Lake Herman
57075
Lake Madison
57042
Madison
57050
Nunda
57042
Orland
57054
Ramona
57057
Rutland
57075
Smiths Park
57075
Wentworth
57076
Winfred
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).