Post Office - Wilson Creek 223 Railroad St Wilson Creek, WA 98860 Phone : (509) 345-2561 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - Wilson Creek , Phone : (509) 345-2561 Post Office - Wilson Creek Business Category U S Government--postal Service, Wilson Creek Post Office 225 Railroad St Wilson Creek, WA 98860 Phone : (509) 345-2561 Business Category Post Offices Government Offices & Public Schools