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
443-744 2 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 3 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 4 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 5 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 6 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 7 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-744 8 Reisterstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-01-20   
443-744 9 Reisterstown MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-745 A Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-746 A Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 0 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2010-02-20   
443-746 1 Easton MD SLBRMDSC2MD  5562 METROPCS, INC. 242   2021-09-21   
443-746 2 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2014-10-23   
443-746 3 Easton MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-746 4 Easton MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2015-09-01   
443-746 5 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-04-12   
443-746 6 Easton MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-04-12   
443-746 7 Easton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-746 8 Easton MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-04-30   
443-746 9 Easton MD SLBRMDSBXMD  073H TELNYX LLC 242   2022-08-01   
443-747 A Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-747 0 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-747 1 Port Deposit MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-18   
443-747 2 Port Deposit MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-747 3 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-747 4 Port Deposit MD BLTMMDCH3MD  228C IDT AMERICA, CORP. - MD 238   2012-01-08   
443-747 5 Port Deposit MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
443-747 6 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-747 7 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-747 8 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-747 9 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 A Millersville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 0 Millersville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 1 Millersville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-04-02   
443-748 2 Millersville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 3 Millersville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-748 4 Millersville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-748 5 Millersville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-02-05   
443-748 6 Millersville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-748 7 Millersville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-748 8 Millersville MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238   2020-12-26   
443-748 9 Millersville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-11-23   
443-749 A Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 0 Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 1 Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 2 Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 3 Glen Burnie MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2020-05-13   
443-749 4 Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 5 Glen Burnie MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 6 Glen Burnie MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2020-05-13   

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

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