US United States Major Regions Postal Code Details
๐๏ธ Pacific ยท Washington
98527
Bay Center
98614
Chinook
98577
Firdale
98577
Frances
98577
Holcomb
98624
Ilwaco
98554
Lebam
98631
Long Beach
98561
Menlo
98637
Nahcotta
98638
Naselle
98586
Nemah
98590
North Cove
98640
Ocean Park
98631
Oceanside
98577
Old Willapa
98641
Oysterville
98577
Raymond
98644
Seaview
98586
South Bend
98590
Tokeland
98577
Willapa
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).