Local Calling Guide

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

NXX: 879

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-879 A Dundalk MD DNDLMDDNDS0  9212 VERIZON MARYLAND, INC. 238      
443-879 0 Dundalk MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-879 1 Dundalk MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2006-01-20   
443-879 2 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-05   
443-879 3 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   
443-879 4 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-11-11   
443-879 5 Dundalk MD DNDLMDDNDS0  9212 VERIZON MARYLAND, INC. 238   2003-08-09   
443-879 6 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-07-28   
443-879 7 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-12-31   
443-879 8 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-12-31   
443-879 9 Dundalk 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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