Post Office - Bickleton 112 E Market St Bickleton, WA 99322 Phone : (509) 896-2934 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--u.s. Post Offices, Bickleton Post Office Bickleton, WA 99322 Phone : (509) 896-2934 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools