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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-608 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-608 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-608 9 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-609 A Brooklyn Park-Linthicum MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-609 0 Brooklyn Park-Linthicum MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-609 1 Brooklyn Park-Linthicum MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-609 2 Brooklyn Park-Linthicum MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-609 3 Brooklyn Park-Linthicum MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-10   
410-609 4 Brooklyn Park-Linthicum MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-26   
410-609 5 Brooklyn Park-Linthicum MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
410-609 6 Brooklyn Park-Linthicum MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-26   
410-609 7 Brooklyn Park-Linthicum MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-04-24   
410-609 8 Brooklyn Park-Linthicum MD   829J PAETEC ITEL, LLC 238   2003-02-25   
410-609 9 Brooklyn Park-Linthicum MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-08   
410-610 A Prince Frederick MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-612 A Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 0 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 1 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 2 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 3 Edgewood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-12-24   
410-612 4 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 5 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 6 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 7 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 8 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 9 Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-613 A Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-614 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-615 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-616 A Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 0 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 1 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 2 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 3 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 4 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 5 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 6 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 7 Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-616 8 Towson MD   829J PAETEC ITEL, LLC 238   2003-02-27   
410-616 9 Towson MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-09-11   
410-617 A Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 0 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-06-12   
410-617 1 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 2 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 3 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 4 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 5 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 6 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 7 Baltimore MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-617 8 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-06-12   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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