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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-297 A Arbutus MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 0 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-297 1 Arbutus MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2012-05-14   
443-297 2 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-08-12   
443-297 3 Arbutus MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 4 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-08-12   
443-297 5 Arbutus MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
443-297 6 Arbutus MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-297 7 Arbutus MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-297 8 Arbutus MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2002-01-09   
443-297 9 Arbutus MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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