Reference Data Rate Center Directory GERALDINE, MT Rate Center GERALDINE — MT Data last updated: March 10, 2026 LATA 648 State MT Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 47.60200219429001, -110.2671405313702 Area Codes 406 Top Carriers Carrier OCN NXX Count TRIANGLE TEL. COOP. ASSN., INC. 3310 1
