Reference Data Rate Center Directory GRENORA, ND Rate Center GRENORA — ND Data last updated: March 10, 2026 LATA 638 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.61875653032208, -103.9362421837832 Area Codes 701 Top Carriers Carrier OCN NXX Count NORTHWEST COMMUNICATIONS COOP. 1625 1
