Post Office - Fredonia 85 N Main St Fredonia, AZ 86022 Phone : (928) 643-7122 Business Category Post Offices Toll-Free           (800) ASK-USPS Post Office - North Rim 85 N Main St North Rim, AZ 86052 Phone : (928) 643-7122 Post Office - North Rim Business Category Post Offices Toll-Free           (800) ASK-USPS United States Postal Service , Phone : (928) 643-7122 United States Postal Service Business Category