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: 852

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-852 A Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-852 0 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-852 2 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-852 3 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-852 4 Miles City MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-852 5 Miles City MT BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-852 6 Miles City MT BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-852 7 Miles City MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-852 8 Miles City MT BLNGMT933MD  073H TELNYX LLC 650      
406-852 9 Miles City MT BLNGMT93DS0  588H AIRUS, INC. - MT 650      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.