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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
443-337 1 Sparrows Point MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2019-10-13   
443-337 2 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-337 3 Sparrows Point MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-10-01   
443-337 4 Sparrows Point MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2018-01-06   
443-337 5 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-337 6 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-337 7 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-337 8 Sparrows Point MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-337 9 Sparrows Point MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
443-338 A Sparks-Glencoe MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-338 0 Sparks-Glencoe MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-06-07   
443-338 1 Sparks-Glencoe MD   515J IP HORIZON LLC 238   2015-03-21   
443-338 2 Sparks-Glencoe MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-338 3 Sparks-Glencoe MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-06   
443-338 4 Sparks-Glencoe MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-08-06   
443-338 5 Sparks-Glencoe MD   515J IP HORIZON LLC 238   2016-05-31   
443-338 6 Sparks-Glencoe MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-02-27   
443-338 7 Sparks-Glencoe MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-338 8 Sparks-Glencoe MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-26   
443-338 9 Sparks-Glencoe MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-26   
443-339 A Sherwood Forest MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-339 0 Sherwood Forest MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-339 1 Sherwood Forest MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-339 2 Sherwood Forest MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-11-14   
443-339 3 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-339 4 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
443-339 5 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-18   
443-339 6 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-18   
443-339 7 Sherwood Forest MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-339 8 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-27   
443-339 9 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-27   
443-340 A Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-341 A Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-341 0 Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-341 1 Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-341 2 Catonsville MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
443-341 3 Catonsville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-341 4 Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-02-20   
443-341 5 Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-27   
443-341 6 Catonsville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-341 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-03-19   
443-341 8 Catonsville MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2004-03-27   
443-341 9 Catonsville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-342 A Solomons MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-342 0 Solomons MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   
443-342 1 Solomons MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-342 2 Solomons MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
443-342 3 Solomons MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-09-13   
443-342 4 Solomons MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-01-04   
443-342 5 Solomons MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   

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

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