Local Calling Guide

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

NXX: 868

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-868 A Essex MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
443-868 0 Essex MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
443-868 1 Essex MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-868 2 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-01   
443-868 3 Essex MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-868 4 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-04-30   
443-868 5 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-04-30   
443-868 6 Essex MD   829J PAETEC ITEL, LLC 238   2011-10-21   
443-868 7 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-07-16   
443-868 8 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-03-16   
443-868 9 Essex MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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