Reference Data Rate Center Directory PORTLAND, OH Rate Center PORTLAND — OH Data last updated: March 10, 2026 LATA 324 State OH Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 39.00316034525794, -81.77100299018478 Area Codes 740 Top Carriers Carrier OCN NXX Count FRONTIER NORTH, INC. - OH 0615 1
