Reference Data Rate Center Directory HERSCHER, IL Rate Center HERSCHER — IL Data last updated: March 10, 2026 LATA 358 State IL Area Codes 2 Exchanges (NXX) 3 Carriers 2 Coordinates 41.04895159471899, -88.09818576875598 Area Codes 779 815 Top Carriers Carrier OCN NXX Count ILLINOIS BELL TEL CO 9329 2 ONVOY, LLC 224C 1
