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: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-348 A Woodlawn MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 0 Woodlawn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-08   
443-348 1 Woodlawn MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 2 Woodlawn MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 3 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-12-02   
443-348 4 Woodlawn MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 5 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-10-06   
443-348 6 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
443-348 7 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2011-11-11   
443-348 8 Woodlawn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-348 9 Woodlawn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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