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.
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Switch: BLNGMTWEAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-351 8 Forsyth MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 A Billings MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 2 Billings MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 4 Billings MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-371 9 Billings MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-624 3 Bozeman MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-624 4 Bozeman MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-629 3 Hardin MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-812 3 Laurel MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-813 A Belgrade MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-813 3 Belgrade MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-943 3 Sidney MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-944 3 Miles City MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-946 3 Livingston MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      
406-948 3 Glendive MT 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 650      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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