Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: FRFDMTXCDS1

Remotes:

Switch Switch name Switch type
FTSHMTXARS1  FORT SHAW  RSS 
GYSRMTXCRS1  GEYSER  1RL 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-236 A Neihart MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-264 A Fort Shaw MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 A Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 0 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 1 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 2 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 3 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 8 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-276 9 Lima MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-277 A Belt MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-279 A Valier MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-463 A Power MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-466 A Choteau MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 A Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 0 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648   2023-12-31   
406-467 1 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 2 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 3 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 4 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 5 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 6 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 7 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 8 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-467 9 Fairfield MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-469 A Pendroy MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-472 A Dupuyer MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-562 A Augusta MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-627 A East Conrad MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 A Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 0 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648   2023-12-16   
406-682 1 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 2 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 3 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 4 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 5 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 6 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 7 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 8 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-682 9 Ennis MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-684 A Twin Bridges MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-685 A Harrison MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-733 A Highwood MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-734 A Carter MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-735 A Geyser MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-736 A Stockett MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-738 A Raynesford MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-753 A Brady MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-835 A Melrose MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-842 A Sheridan MT 2255 3 RIVERS TEL. COOP., INC. 648      
406-842 1 Sheridan MT 2255 3 RIVERS TEL. COOP., INC. 648      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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