Flagstaff Public Works Department 211 W Aspen Ave Flagstaff, AZ 86001 Phone : (928) 779-7660 Business Category Highway & street construction Road Maintenance Flagstaff City Government--public Works Flagstaff, AZ 86001 Phone : (928) 779-7660 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools