Automated Postal Center - Flagstaff Downtown 104 N Agassiz St Flagstaff, AZ 86001 Phone : (928) 779-2371 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (928) 773-9480 Post Office - Gray Mountain 455 Highway 89 Gray Mountain, AZ 86016 Phone : (928) 779-2371 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - Flagstaff Downtown 104 N Agassiz St Flagstaff, AZ 86001 Phone : (928) 779-2371 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (928) 773-9480 Post Office - Cpu N A U 1014 N Beaver St Flagstaff, AZ 86011 Phone : (928) 779-2371 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - Mormon Lake 1 Morman Lake Rd Mormon Lake, AZ 86038 Phone : (928) 779-2371 Business Category Post Offices Toll-Free           (800) ASK-USPS