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
443-625 A Fork MD BLTMMDCHXZY  8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-625 0 Fork MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-22   
443-625 1 Fork MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238   2001-10-17   
443-625 2 Fork MD   876D ONVOY, LLC - MD 238   2015-06-13   
443-625 3 Fork MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-625 4 Fork MD   876D ONVOY, LLC - MD 238   2015-06-13   
443-625 5 Fork MD   2589 US LEC OF MARYLAND, INC. 238   2002-11-16   
443-625 6 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-02   
443-625 7 Fork MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-09-02   
443-625 8 Fork MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-04-09   
443-625 9 Fork MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-02-18   

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

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