Reference Data Rate Center Directory OMAHA, IL Rate Center OMAHA — IL Data last updated: March 10, 2026 LATA 978 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 37.89034353904, -88.30267119875198 Area Codes 618 Top Carriers Carrier OCN NXX Count FRONTIER NORTH, INC. - IL 1036 1
