Reference Data Rate Center Directory SMITHSHIRE, IL Rate Center SMITHSHIRE — IL Data last updated: March 10, 2026 LATA 977 State IL Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.79186266173501, -90.781851238166 Area Codes 309 Top Carriers Carrier OCN NXX Count MCDONOUGH TEL. COOP. 1047 1
