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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
410-845 3 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242   2004-11-21   
410-845 4 Salisbury MD SLBRMDSBDS1  9212 VERIZON MARYLAND, INC. 242   2003-03-15   
410-845 5 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2006-08-12   
410-845 6 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2005-03-07   
410-845 7 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2005-03-07   
410-845 8 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2004-04-19   
410-845 9 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242      
410-846 A Severn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-846 0 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-14   
410-846 1 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-06-19   
410-846 2 Severn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-08-12   
410-846 3 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-11-20   
410-846 4 Severn MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
410-846 5 Severn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-846 6 Severn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-846 7 Severn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-846 8 Severn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-846 9 Severn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-847 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-847 0 Towson MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2024-10-23   
410-847 1 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-847 2 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-02-29   
410-847 3 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-847 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-847 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-847 6 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-847 7 Towson MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-03-25   
410-847 8 Towson MD   145J TERRA NOVA TELECOM INC. 238   2025-07-25   
410-847 9 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-848 A Westminster MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-849 A Sherwood Forest MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-849 0 Sherwood Forest MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-04-24   
410-849 1 Sherwood Forest MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
410-849 2 Sherwood Forest MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-849 3 Sherwood Forest MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-849 4 Sherwood Forest MD   829J PAETEC ITEL, LLC 238   2004-02-05   
410-849 5 Sherwood Forest MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-849 6 Sherwood Forest MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-06-15   
410-849 7 Sherwood Forest MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-849 8 Sherwood Forest MD PARLMDPADS0  9212 VERIZON MARYLAND, INC. 238      
410-849 9 Sherwood Forest MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-850 A Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-851 A Towson MD BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-852 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-853 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-853 0 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-853 1 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-853 2 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-853 3 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-853 4 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      

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

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