Reference Data Rate Center Directory KELL, IL Rate Center KELL — IL Data last updated: March 10, 2026 LATA 520 State IL Area Codes 2 Exchanges (NXX) 2 Carriers 2 Coordinates 38.49059377948298, -88.908181304091 Area Codes 618 730 Top Carriers Carrier OCN NXX Count ONVOY, LLC 224C 1 ILLINOIS BELL TEL CO 9329 1
