Post Office - Dixon 207 Highway 70 Dixon, WY 82323 Phone : (307) 383-6760 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (307) 383-6760 U S Government--post Office Dixon, WY 82323 Phone : (307) 383-6760 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools