US United States Major Regions Postal Code Details
๐๏ธ Jefferson ยท Washington
98368
Adelma Beach
98368
Beckett Point
98320
Brinnon
98376
Center
98325
Chimacum
98376
Dabob
98368
Discovery Bay
98376
East Quilcene
98358
Fort Flagler
98368
Fort Worden
98368
Glen Cove
98339
Hadlock
98358
Indian Island
98339
Irondale
98368
Leland
98358
Marrowstone Island
98368
Mats Mats
98376
Mount Walker
98358
Nordland
98339
Oak Bay
98365
Port Hadlock
98365
Port Ludlow
98368
Port Townsend
98368
Protection Island
98376
Quilcene
98325
Shine
98368
Townsend
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).