Reference Data Rate Center Directory ENFIELD, IL Rate Center ENFIELD — IL Data last updated: March 10, 2026 LATA 978 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 38.10137518137901, -88.334913185015 Area Codes 618 Top Carriers Carrier OCN NXX Count FRONTIER NORTH, INC. - IL 1015 1
