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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
443-429 0 Woodlawn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-429 1 Woodlawn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-429 2 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-04-17   
443-429 3 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-429 4 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-429 5 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-429 6 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-429 7 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-429 8 Woodlawn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-429 9 Woodlawn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-430 A Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-430 0 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-430 1 Columbia MD   515J IP HORIZON LLC 238   2016-10-14   
443-430 2 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-430 3 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-430 4 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-26   
443-430 5 Columbia MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-26   
443-430 6 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-430 7 Columbia MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-05-30   
443-430 8 Columbia MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2006-03-11   
443-430 9 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-431 A Randallstown MD BLTQMD01BMD  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-431 0 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-04-06   
443-431 2 Randallstown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
443-431 3 Randallstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-431 4 Randallstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-11-24   
443-431 5 Randallstown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 6 Randallstown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 7 Randallstown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-431 8 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-19   
443-431 9 Randallstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-27   
443-432 A Prince Frederick MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 0 Prince Frederick MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2015-12-07   
443-432 1 Prince Frederick MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 2 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 3 Prince Frederick MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-10-15   
443-432 4 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 5 Prince Frederick MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-08   
443-432 6 Prince Frederick MD   515J IP HORIZON LLC 238   2015-03-23   
443-432 7 Prince Frederick MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 8 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-432 9 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   
443-433 A Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 0 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 1 Annapolis MD PIVLMDPKFMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-433 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   
443-433 3 Annapolis MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2005-04-18   
443-433 4 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 5 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   

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Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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