Reference Data Rate Center Directory KNOX, ND Rate Center KNOX — ND Data last updated: March 10, 2026 LATA 638 State ND Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 48.34105449536966, -99.6912266869595 Area Codes 701 Top Carriers Carrier OCN NXX Count NORTH DAKOTA TELEPHONE CO. 1447 1
