Local Calling Guide

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

NXX: 641

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-641 A Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-641 0 Pikesville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-641 1 Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-641 2 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238   2004-10-10   
443-641 3 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-08-05   
443-641 4 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-08-05   
443-641 5 Pikesville MD OWMLMDOMDS0  9212 VERIZON MARYLAND, INC. 238   2004-10-10   
443-641 6 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-641 7 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-641 8 Pikesville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-641 9 Pikesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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