US United States Major Regions Postal Code Details
๐๏ธ Snohomish ยท Washington
98223
Arlington
98012
Bothell
98036
Brier
98223
Bryant
98292
Camano City
98292
Camano Island
98290
Clearview
98241
Darrington
98204
Eastmont
98020
Edmonds
98292
Elger Bay
98201
Everett
98251
Gold Bar
98252
Granite Falls
98258
Hartford
98256
Index
98021
Kennard Corner
98258
Lake Stevens
98290
Larimers Corner
98203
Lowell
98046
Lynnwood
98290
Machias
98290
Maltby
98270
Marysville
98012
Mill Creek
98272
Monroe
98043
Mountlake Terrace
98275
Mukilteo
98207
Naval Station Everett
98259
North Lakewood
98272
Novelty
98223
Oso
98203
Pinehurst
98021
Queensborough
98271
Quil Ceda Village
98287
Silvana
98204
Silver Lake
98223
Smokey Point
98291
Snohomish
98292
Stanwood
98293
Startup
98294
Sultan
98021
Thrashers Corner
98271
Tulalip
98020
Woodway
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).