Reference Data Rate Center Directory CLARKSVL, IL Rate Center CLARKSVL — IL Data last updated: March 10, 2026 LATA 938 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.45000264151837, -87.79795042165432 Area Codes 217 Top Carriers Carrier OCN NXX Count CLARKSVILLE MUTUAL TEL. CO. 0990 1
