Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-380 3 Woodlawn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-380 4 Woodlawn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-380 5 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238   2011-04-15   
443-380 6 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238   2011-04-15   
443-380 7 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238   2011-04-15   
443-380 8 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238   2011-04-15   
443-380 9 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-05-01   
443-381 A Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-381 1 Reisterstown MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2019-10-13   
443-381 2 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-01-01   
443-381 3 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-381 4 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-381 5 Reisterstown MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-03-16   
443-381 6 Reisterstown MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-381 7 Reisterstown MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-381 8 Reisterstown MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2018-02-08   
443-381 9 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-04-05   
443-382 A Cambridge MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242      
443-383 A Silver Run MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-383 0 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-383 1 Silver Run MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-383 2 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-383 3 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-25   
443-383 4 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-25   
443-383 5 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-383 6 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-383 7 Silver Run MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-383 8 Silver Run MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-383 9 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-08   
443-384 A Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-384 0 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 1 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 2 Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 3 Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 4 Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 5 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-11-14   
443-384 6 Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-384 8 Parkville MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-04-02   
443-384 9 Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-385 A Easton MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC. - MD 242      
443-386 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 3 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 5 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 6 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-386 7 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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