Reference Data Rate Center Directory HILLSBORO, IN Rate Center HILLSBORO — IN Data last updated: March 10, 2026 LATA 336 State IN Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 40.10789056778987, -87.15931211089458 Area Codes 765 Top Carriers Carrier OCN NXX Count MERCHANTS & FARMERS TEL. CO. 0788 1
