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Cockeysville, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-229 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 0 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 1 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-316 2 MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
410-316 3 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-316 4 CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-316 5 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 6 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-08-20   
410-316 7 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 8 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 9   829J PAETEC ITEL, LLC 238   2004-01-31   
410-329 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-329 0 BLTMMDCH40Z  5562 METROPCS, INC. 238   2016-06-11   
410-329 1 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-329 2 PKTNMDPKRS0  9212 VERIZON MARYLAND, INC. 238      
410-329 3 MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
410-329 4 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-03-09   
410-329 5 MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
410-329 6 PKTNMDPKRS0  9212 VERIZON MARYLAND, INC. 238      
410-329 7 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-329 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-329 9 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-403 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-403 1 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 2 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-403 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-09   
410-403 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-403 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-04-26   
410-403 6 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-08   
410-403 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-19   
410-403 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-403 9 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-498 A   829J PAETEC ITEL, LLC 238   2025-04-01   
410-498 0   829J PAETEC ITEL, LLC 238      
410-498 1   829J PAETEC ITEL, LLC 238      
410-498 2   829J PAETEC ITEL, LLC 238      
410-498 3   829J PAETEC ITEL, LLC 238      
410-498 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-04   
410-498 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-07-05   
410-498 9   829J PAETEC ITEL, LLC 238      
410-527 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-568 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 0 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 1 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 3 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 4 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 5 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-03-09   
410-568 6 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 7   829J PAETEC ITEL, LLC 238   2005-10-07   
410-568 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-04-06   
410-568 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-04-06   
410-584 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 0 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 1 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 2 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-08   
410-584 4 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-03-08   
410-584 6 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 7 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 8 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-584 9 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-628 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 0 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 1 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 2 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 3 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 4 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 5 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 6 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 7 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 8 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-666 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-667 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 0 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 1 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 2 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 3 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 4 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 5 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-28   
410-683 6 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 7 CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-683 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-683 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   
410-771 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-773 A CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-773 0 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-773 1 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-773 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-773 3 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-773 4 CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-773 5 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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