Reference Data Rate Center Directory THOMPSONVL, IL Rate Center THOMPSONVL — IL Data last updated: March 10, 2026 LATA 362 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 37.91646036563434, -88.75884199521418 Area Codes 618 Top Carriers Carrier OCN NXX Count FRONTIER NORTH, INC. - IL 1015 1
