Local Calling Guide

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Sykesville, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-549 A SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 A SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 0 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 1 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 2 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 3 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 4 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 5 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 6 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-552 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-05-20   
410-552 9 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-795 A SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 A WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 0 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 1 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 2 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 3 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 4 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 5 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 6 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 7 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-10-03   
410-875 8 BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2004-03-27   
410-875 9 WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-970 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-970 0 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-08   
410-970 1   145J TERRA NOVA TELECOM INC. 238   2021-01-28   
410-970 2 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-970 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-21   
410-970 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-03-24   
410-970 5 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-970 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-14   
410-970 7 SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238   2004-06-20   
410-970 8 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-970 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-984 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 0 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 1 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 2 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 3 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 4 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 5 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 6 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 7 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 8 BLTMMDCH40Z  5562 METROPCS, INC. 238      
410-984 9 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-277 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-277 0 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-277 1 BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-277 2 BLTMMDCH40Z  5562 METROPCS, INC. 238      

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

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