Reference Data Rate Center Directory MARATHON, IA Rate Center MARATHON — IA Data last updated: March 10, 2026 LATA 630 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 42.86052276767247, -94.98157133874987 Area Codes 712 Top Carriers Carrier OCN NXX Count WINDSTREAM IOWA COMMUNICATIONS, INC. 1178 1
