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: MSSLMTAG5MD

<< 1 2 3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-899 A Great Falls MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-902 9 Sheridan MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-926 8 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-926 9 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-929 6 Hungry Horse MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-929 9 Hungry Horse MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 A Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 0 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 1 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 2 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 3 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 4 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 5 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-945 7 Havre MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 A Townsend MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 0 Townsend MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 1 Townsend MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 2 Townsend MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-949 3 Townsend MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-955 8 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-955 9 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-964 9 Great Falls MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      

<< 1 2 3

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.