Reference Data Rate Center Directory CRISP, IL Rate Center CRISP — IL Data last updated: March 10, 2026 LATA 978 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 38.43913164563878, -88.59509407896059 Area Codes 618 Top Carriers Carrier OCN NXX Count WABASH TEL. COOP., INC. 1088 1
