Reference Data Rate Center Directory GILA, IL Rate Center GILA — IL Data last updated: March 10, 2026 LATA 976 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.11281900000002, -88.2603193 Area Codes 217 Top Carriers Carrier OCN NXX Count MONTROSE MUTUAL TEL. CO. 1058 1
