Reference Data UPHAM, ND Rate Center UPHAM — ND Data last updated: March 10, 2026 LATA 638 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.58060544535179, -100.7288993643957 Area Codes 701 Top Carriers Carrier OCN NXX Count SRT COMMUNICATIONS, INC. 3303 1
