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: 410

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-410 A Glen Burnie MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-410 0 Glen Burnie MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2014-05-25   
443-410 1 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-05-30   
443-410 2 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-05-30   
443-410 3 Glen Burnie MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-03-22   
443-410 4 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-410 5 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-410 6 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-410 7 Glen Burnie MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-09-30   
443-410 8 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   
443-410 9 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-11-08   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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