Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-353 A Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
443-353 0 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-10-26   
443-353 1 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238   2004-05-05   
443-353 2 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238   2004-05-05   
443-353 3 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238   2004-05-05   
443-353 4 Cockeysville MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2012-04-26   
443-353 5 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2015-04-10   
443-353 6 Cockeysville MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2008-06-09   
443-353 7 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-353 8 Cockeysville MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2016-01-04   
443-353 9 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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