Post Offices In Mason County

Information

Apr 11

Written By Rachel Hansen

There are multiple Post Offices in Mason County. The main USPS phone number is 800-275-8777.

Hoodsport - 76 N. Lake Cushman Road
Lilliwaup - 28611 US-101
Union - 310 E. Dalby Road
Shelton - 218 Mark E Reed Way
Allyn - 18329 SR-3
Belfair - 60 NE Ridgepoint Blvd.

Post OfficeHoodsportSheltonUnionLilliwaupAllynBelfair

Rachel Hansen

Brinnon Visitor Center