Reference Data Rate Center Directory TOLNA, ND Rate Center TOLNA — ND Data last updated: March 10, 2026 LATA 636 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.82790694778014, -98.43955237107704 Area Codes 701 Top Carriers Carrier OCN NXX Count NORTH DAKOTA TELEPHONE CO. 1447 1
