Reference Data Rate Center Directory CONCORD, IL Rate Center CONCORD — IL Data last updated: March 10, 2026 LATA 376 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.81565908814958, -90.37014544358121 Area Codes 217 Top Carriers Carrier OCN NXX Count FRONTIER COMMUNICATIONS-MIDLAND, INC. 1055 1
