Local Calling Guide

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Hampstead, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-374 A HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 0 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 1 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 2 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 3 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 4 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 5 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 6 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 7 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2008-03-13   
410-374 8 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
410-374 9 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238      
443-291 A BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 0 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 1 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-21   
443-291 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-09-09   
443-291 4 BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 5   876D ONVOY, LLC - MD 238   2024-03-08   
443-291 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-07-20   
443-291 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-291 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-21   
443-291 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-375 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 0 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 1 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 2 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-04   
443-375 4 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
443-375 5   876D ONVOY, LLC - MD 238   2024-04-19   
443-375 6 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 7 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 8 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-375 9 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-507 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-507 0 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2003-10-17   
443-507 1 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2003-07-20   
443-507 2   145J TERRA NOVA TELECOM INC. 238   2022-07-06   
443-507 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
443-507 4 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2016-01-31   
443-507 5 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2005-05-27   
443-507 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2009-06-13   
443-507 7   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-507 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-507 9 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-508 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-508 1 BLTMMDCH40Z  5562 METROPCS, INC. 238   2004-12-27   
443-508 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-02-17   
443-508 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-01-05   
443-508 4 HMPSMDHERS1  9212 VERIZON MARYLAND, INC. 238   2004-10-07   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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