Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
443-914 A Worthington MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-914 0 Worthington MD   4773 XO MARYLAND, LLC 238   2002-11-25   
443-914 1 Worthington MD   2589 US LEC OF MARYLAND, INC. 238   2004-01-10   
443-914 2 Worthington MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-07-07   
443-914 3 Worthington MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-914 4 Worthington MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2017-06-05   
443-914 5 Worthington MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
443-914 6 Worthington MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-914 7 Worthington MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 8 Worthington MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-914 9 Worthington MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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