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Towson, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-236 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-249 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 0 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 1 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 2 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 3 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-249 4 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 5 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 6 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 7 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 8 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-249 9 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-252 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-283 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-296 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 0 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 1 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-307 2 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 3 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 4 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 5 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 6 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-05-29   
410-308 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-321 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-324 1 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-324 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-324 4 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 5 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-02-29   
410-324 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-09   
410-324 8 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 9 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-07-17   
410-337 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-339 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
410-339 2 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-339 3 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 4 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 5 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 6 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 7 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-339 9 BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-02-14   
410-372 A BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 0 BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 1 BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 2 BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-10-02   
410-372 4 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-372 5 BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2002-11-30   
410-372 6 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-11-27   
410-372 7 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-372 8 BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 9 BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-373 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-377 A BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-408 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-427 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-434 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-453 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 0 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-453 2 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 3 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 4 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 5 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 6 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-453 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-453 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-19   
410-453 9 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-473 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-475 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-492 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-494 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 0 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 1 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 2 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 3 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 4 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 5 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 6 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-07-10   
410-512 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-512 8 TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-512 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-07   
410-560 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 0 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 1 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 2 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 3 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 4 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 5 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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