Post Office - Marble Canyon 540 Highway 89a Marble Canyon, AZ 86036 Phone : (928) 355-2235 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--post Office Marble Canyon, AZ 86036 Phone : (928) 355-2235 United States Government--post Office Business Category Government Offices-Federal Post Offices Government Offices & Public Schools