Local Calling Guide

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

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-330 A Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 0 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 1 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-330 2 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
443-330 3 Cockeysville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2005-03-10   
443-330 4 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2004-09-05   
443-330 5 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-10-22   
443-330 6 Cockeysville MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2011-04-13   
443-330 7 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-09-08   
443-330 8 Cockeysville MD MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238   2006-10-16   
443-330 9 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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