Reference Data Rate Center Directory LOMA, MT Rate Center LOMA — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.9364822953136, -110.5025200792279 Area Codes 406 Top Carriers Carrier OCN NXX Count TRIANGLE TEL. COOP. ASSN., INC. 2257 1
