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.

NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 226

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-226 A East Glacier Park MT EGPKMTMARS1  9636 QWEST CORPORATION 648      
406-226 0 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-226 1 East Glacier Park MT GRFLMTMAHMD  073H TELNYX LLC 648      
406-226 2 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-226 3 East Glacier Park MT MSSLMTMA0MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 648      
406-226 4 East Glacier Park MT EGPKMTMARS1  9636 QWEST CORPORATION 648      
406-226 5 East Glacier Park MT EGPKMTMARS1  9636 QWEST CORPORATION 648      
406-226 6 East Glacier Park MT HLNAMTMAUMD  508J CENTURYLINK COMMUNICATIONS, LLC 648      
406-226 7 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-226 8 East Glacier Park MT GRFLMTMA7MD  453F ONVOY, LLC - MT 648      
406-226 9 East Glacier Park MT EGPKMTMARS1  9636 QWEST CORPORATION 648      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.