US United States Major Regions Postal Code Details
๐๏ธ Kusilvak ยท Alaska
99554
Alakanuk
99563
Chevak
99581
Emmonak
99604
Hooper Bay
99620
Kotlik
99585
Marshall
99632
Mountain Village
99666
Nunam Iqua
99650
Pilot Station
99657
Russian Mission
99658
Saint Marys
99662
Scammon Bay
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).