Reference Data Rate Center Directory ALPENA, AR Rate Center ALPENA — AR Data last updated: March 10, 2026 LATA 528 State AR Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 36.29430553026717, -93.29306890242631 Area Codes 870 Top Carriers Carrier OCN NXX Count TRI-COUNTY TEL. CO., INC. 1726 1
