Reference Data Rate Center Directory MCHENRY, ND Rate Center MCHENRY — ND Data last updated: March 10, 2026 LATA 636 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.57599409026746, -98.58973402080667 Area Codes 701 Top Carriers Carrier OCN NXX Count GRIGGS COUNTY TEL. CO. 1615 1
