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Bel Air, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-322 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-399 A CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-399 0 CRDFMDCDRS0  9212 VERIZON MARYLAND, INC. 238      
410-399 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
410-399 2 DRTNMDDRRS0  9212 VERIZON MARYLAND, INC. 238      
410-399 3   829J PAETEC ITEL, LLC 238   2003-03-11   
410-399 4 CCVLMDCHRS0  9212 VERIZON MARYLAND, INC. 238      
410-399 5 BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-399 6 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-399 7 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-399 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
410-399 9 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 A BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 0 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 1 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 2 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 3 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 4 BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-420 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2020-05-29   
410-420 6 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 7 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 8 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-420 9 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 A BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 0 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 1 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 2 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 3 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 4 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 5 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 6 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-06-10   
410-588 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-06-10   
410-588 8 BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-588 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-19   
410-638 A BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-652 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-776 A BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 0 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
410-776 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-08-26   
410-776 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-776 4 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-08-26   
410-776 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-08-26   
410-776 6 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 7   829J PAETEC ITEL, LLC 238   2005-04-04   
410-776 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
410-776 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-11   
410-809 A   829J PAETEC ITEL, LLC 238   2025-04-01   
410-809 0   829J PAETEC ITEL, LLC 238      
410-809 1   829J PAETEC ITEL, LLC 238      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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