Snohomish County Post Office

Find Snohomish County Washington post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Alderwood Manor Post Office 3715 196th Street Southwest Lynnwood WA 98036 425-778-3447


Arlington Post Office 524 North Olympic Avenue Arlington WA 98223 360-435-6273

Baring Post Office 63501 Stevens Pass Highway Gold Bar WA 98251 360-677-2230

Darrington Post Office 715 Givens Avenue Darrington WA 98241 360-436-1100

Edmonds Post Office 201 Main Street Edmonds WA 98020 425-774-4077

Everett Post Office 3102 Hoyt Avenue Everett WA 98201 425-257-3208

Gold Bar Post Office 122 10th Street Gold Bar WA 98251 360-793-1717

Granite Falls Post Office 205 East Stanley Street Granite Falls WA 98252 360-691-1879

Index Post Office 503 Avenue A Index WA 98256 360-793-2344

Lake Stevens Post Office 1709 124th Avenue Northeast Lake Stevens WA 98258 425-397-9582

Lynnwood Post Office 6817 208th Street Southwest Lynnwood WA 98036 425-778-3447

Marysville Post Office 1010 State Avenue Marysville WA 98270 360-653-6379

Mill Creek Post Office 15833 Mill Creek Boulevard Mill Creek WA 98082 425-379-8698

Monroe Post Office 122 North Blakeley Street Monroe WA 98272 360-805-1962

Mountlake Terrace Post Office 23210 57th Avenue West Mountlake Terrace WA 98043 425-778-0429

Mukilteo Post Office 8050 Mukilteo Speedway Mukilteo WA 98275 425-710-7039

North Lakewood Post Office 1610 172nd Street Northeast Marysville WA 98271 360-652-7911

Paine Field Post Office 2201 100th Street Southwest Everett WA 98204 425-514-8063

Silvana Post Office 1501 Pioneer Highway Silvana WA 98287 360-652-7154

Smokey Point Post Office 3621 168th Street Northeast Arlington WA 98223 360-658-9788

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.