Reference Data Rate Center Directory HALLSVILLE, OH Rate Center HALLSVILLE — OH Data last updated: March 10, 2026 LATA 324 State OH Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.44374547192189, -82.82573679193796 Area Codes 740 Top Carriers Carrier OCN NXX Count CHILLICOTHE TEL. CO. 0597 1
