Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-633 A Laurel MT PRCYMTMARS1  9636 QWEST CORPORATION 650      
406-633 0 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-05-22   
406-633 1 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2009-11-13   
406-633 2 Laurel MT PRCYMTMARS1  9636 QWEST CORPORATION 650      
406-633 3 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2010-06-21   
406-633 4 Laurel MT BLNGMT93PS1  008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] 650   2011-03-27   
406-633 5 Laurel MT BLNGMTWEIMD  6564 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT 650   2011-06-03   
406-633 7 Laurel MT BLNGMTMATMD  935G TRI TEL, INC. - MT 650   2013-01-28   
406-633 8 Laurel MT BLNGMTMARMD  357E YMAX COMMUNICATIONS CORP. - MT 650   2011-04-04   
406-633 9 Laurel MT PRCYMTMARS1  9636 QWEST CORPORATION 650      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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