Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-718 A Columbia MD CLMAMDJTDSA  2589 US LEC OF MARYLAND, INC. 238      
443-718 0 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-19   
443-718 1 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-12   
443-718 2 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2008-05-10   
443-718 3 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2008-05-10   
443-718 4 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2008-06-16   
443-718 5 Columbia MD   2589 US LEC OF MARYLAND, INC. 238   2008-06-16   
443-718 6 Columbia MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-25   
443-718 7 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-12   
443-718 8 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-04-02   
443-718 9 Columbia MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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