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.

Baker, MT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
406-778 A BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 1 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-778 2 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 3 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 5 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 6 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 7 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 8 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 9 BAKRMTXCRS1  2246 MID-RIVERS TEL. COOP., INC. 650      
406-891 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-891 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-891 1 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-891 4   9415 LEVEL 3 COMMUNICATIONS, LLC - MT 650      
406-956 A BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-956 0 BLNGMTMAMMD  6010 NEW CINGULAR WIRELESS PCS, LLC 650      
406-978 A BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-978 2 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      
406-978 3 BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650      

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.