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: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-660 A Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2021-01-13   
443-660 0 Pikesville MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2013-09-06   
443-660 1 Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-06-05   
443-660 2 Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-06-05   
443-660 3 Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-06-05   
443-660 5 Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-06-05   
443-660 6 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-09-24   
443-660 7 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2012-09-21   
443-660 8 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-06-03   
443-660 9 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238      

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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