Federal Government Offices--postal Service 100 Highway 89 Alpine, WY 83128 Phone : (307) 654-7591 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--post Office Alpine, WY 83128 Phone : (307) 654-7591 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Alpine 102 Us Highway 89 Alpine, WY 83128 Phone : (307) 654-7591 Business Category Post Offices Toll-Free           (800) ASK-USPS