Post Office - Marlin 174 N Urquhart Ave Marlin, WA 98832 Phone : (509) 345-2263 Business Category Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS United States Government--postal Service, Marlin 174 N Urquhart Ave Wilson Creek, WA 98860 Phone : (509) 345-2263 United States Government--postal Service, Marlin Business Category Government Offices-Federal Government Offices & Public Schools