Reference Data Rate Center Directory MARMON, ND Rate Center MARMON — ND Data last updated: March 10, 2026 LATA 638 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.38724739999997, -103.6560305 Area Codes 701 Top Carriers Carrier OCN NXX Count NORTHWEST COMMUNICATIONS COOP. 1625 1
