List of US Post Office Stores in Chehalis, WA Outlet Note Regular Brands US Post Office Washington Chehalis Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Chehalis 212 Stevens Rd (360) 291-3822 US Post Office outlet - Chehalis 109 Bunker Creek Rd (360) 748-3939 US Post Office outlet - Chehalis 1970 S Market Blvd (360) 996-4452 People Also Viewed