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.

Billings, MT

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-861 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-867 A BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 0 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-867 1 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 2 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 3 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-867 4 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 5 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 6 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 7 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-867 8 BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-867 9 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-869 A BLNGMT20PS0  4222 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 650      
406-876 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-876 9 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-894 A BLNGMT934MD  939H COMMIO, LLC 650      
406-894 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-894 1 BLNGMT934MD  939H COMMIO, LLC 650      
406-894 2   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-894 3 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-894 4 BLNGMT934MD  939H COMMIO, LLC 650      
406-894 5   6529 T-MOBILE USA, INC. 650      
406-894 6   6529 T-MOBILE USA, INC. 650      
406-894 7 BLNGMT30RS0  7830 MID-RIVERS TELEPHONE COOPERATIVE, INC. 650      
406-894 8 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-894 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-896 A BLNGMTMADS1  9636 QWEST CORPORATION 650      
406-901 A BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-901 0 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 1 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 2 BLNGMTWE6MD  9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-901 3 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 4   453F ONVOY, LLC - MT 650      
406-901 5 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 6 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 7 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 8 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-901 9 BLNGMTWEDMD  624H ONVOY SPECTRUM, LLC 650      
406-927 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-927 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-927 1 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-927 2 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-927 3 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-927 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-927 5 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-927 6 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-927 7 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-927 8 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-927 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-969 A BLNGMTASPMD  622J SKYE TELECOM LLC DBA SKYETEL 650      
406-969 0 BLNGMTASPMD  622J SKYE TELECOM LLC DBA SKYETEL 650      
406-969 1   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 2   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 3   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 4   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 5   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 6   792K CHARTER IP ENABLED SERVICES, LLC 650      
406-969 7   6529 T-MOBILE USA, INC. 650      
406-969 8 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-969 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-970 A BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-970 0 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-970 1 BLNGMTWECMD  551G NUSO, LLC 650      
406-970 2 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-970 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-970 4 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-970 5 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-970 6 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-970 7 BLNGMTWE8MD  508J CENTURYLINK COMMUNICATIONS, LLC 650      
406-970 8 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-970 9 BLNGMTMAXMD  6529 T-MOBILE USA, INC. 650      
406-998 A BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 0 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 1 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 2 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-998 4 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-998 5 BLNGMT93DS0  588H AIRUS, INC. - MT 650      
406-998 6 BLNGMTMALMD  994E BANDWIDTH.COM CLEC, LLC - MT 650      
406-998 7 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-998 8 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-998 9 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      

<< 1 2 3 4 5

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.