Reference Data Rate Center Directory WARM SPG, MT Rate Center WARM SPG — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 46.1796155781508, -112.7925352375215 Area Codes 406 Top Carriers Carrier OCN NXX Count QWEST CORPORATION 9636 1
