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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
410-559 6 Pikesville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-11-17   
410-559 7 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-10-31   
410-559 8 Pikesville MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 9 Pikesville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-31   
410-560 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 0 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 1 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 2 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 3 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 4 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 5 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 6 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 7 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-560 8 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-11-19   
410-560 9 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 0 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 1 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 2 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 3 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 4 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 5 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 6 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-10   
410-561 7 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 8 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 9 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-562 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 0 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 1 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 3 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 5 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-562 9 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-563 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-564 A Elkridge MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 0 Elkridge MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 1 Elkridge MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-08-21   
410-564 2 Elkridge MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 3 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-10-24   
410-564 4 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-07-09   
410-564 5 Elkridge MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 6 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-07-09   
410-564 7 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-07-09   
410-564 8 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-07-09   
410-564 9 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2006-07-27   
410-565 A Arbutus MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      

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

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