Reference Data Rate Center Directory SOURIS, ND Rate Center SOURIS — ND Data last updated: March 10, 2026 LATA 638 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.90979132646945, -100.6809998888463 Area Codes 701 Top Carriers Carrier OCN NXX Count TURTLE MOUNTAIN COMMUN., INC. 1678 1
