Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-692 9 Jarrettsville MD JRVLMDJERS0  9212 VERIZON MARYLAND, INC. 238      
410-693 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-694 A Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 0 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 1 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-08-15   
410-694 2 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 3 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 4 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 5 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 6 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 7 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-06-08   
410-694 8 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-694 9 Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-695 A Odenton MD ODTNMDPORS2  9212 VERIZON MARYLAND, INC. 238      
410-695 0 Odenton MD ODTNMDPORS2  9212 VERIZON MARYLAND, INC. 238      
410-695 1 Odenton MD ODTNMDPORS2  9212 VERIZON MARYLAND, INC. 238      
410-695 2 Odenton MD ODTNMDPORS2  9212 VERIZON MARYLAND, INC. 238      
410-695 3 Odenton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-04-28   
410-695 4 Odenton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
410-695 5 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-695 6 Odenton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-04-28   
410-695 7 Odenton MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-695 8 Odenton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-07-31   
410-695 9 Odenton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-05-04   
410-696 A Ellicott City MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-696 0 Ellicott City MD   515J IP HORIZON LLC 238   2016-05-31   
410-696 1 Ellicott City MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-696 2 Ellicott City MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-696 3 Ellicott City MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2005-07-03   
410-696 4 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-10-09   
410-696 5 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-13   
410-696 6 Ellicott City MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2016-01-19   
410-696 7 Ellicott City MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
410-696 8 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
410-696 9 Ellicott City MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-697 A Millersville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-697 0 Millersville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-697 1 Millersville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-28   
410-697 2 Millersville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-11   
410-697 3 Millersville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-697 4 Millersville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
410-697 5 Millersville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
410-697 6 Millersville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-23   
410-697 7 Millersville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-23   
410-697 8 Millersville MD   829J PAETEC ITEL, LLC 238   2006-04-03   
410-697 9 Millersville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-698 A Fork MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-698 0 Fork MD   829J PAETEC ITEL, LLC 238   2003-02-26   
410-698 1 Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-08   
410-698 2 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-05-16   
410-698 3 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-05-16   
410-698 4 Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
410-698 5 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-08-17   
410-698 6 Fork MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-28   
410-698 7 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-15   
410-698 8 Fork MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-15   
410-698 9 Fork MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-699 A Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2024-02-09   
410-699 0 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 1 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 2 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 3 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 4 Chestertown MD SLBRMDSCXMD  5562 METROPCS, INC. 242      
410-699 5 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 6 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 7 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 8 Chestertown MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 9 Chestertown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-03-03   
410-701 A Randallstown MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-701 0 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-701 1 Randallstown MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-16   
410-701 2 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-06   
410-701 3 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-06   
410-701 4 Randallstown MD RNTWMDRARP0  9212 VERIZON MARYLAND, INC. 238   2003-08-01   
410-701 5 Randallstown MD   829J PAETEC ITEL, LLC 238   2005-07-04   
410-701 6 Randallstown MD   829J PAETEC ITEL, LLC 238   2009-05-02   
410-701 7 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-701 8 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-06-29   
410-701 9 Randallstown MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-702 A Reisterstown MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-702 0 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-12   
410-702 1 Reisterstown MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
410-702 2 Reisterstown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
410-702 3 Reisterstown MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-12   
410-702 4 Reisterstown MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
410-702 5 Reisterstown MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-01-17   
410-702 6 Reisterstown MD   829J PAETEC ITEL, LLC 238   2009-08-20   
410-702 7 Reisterstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-702 8 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2016-10-01   
410-702 9 Reisterstown MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-703 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-704 A Towson MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-705 A Waterloo (Washington DC LATA) MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
410-705 0 Waterloo (Washington DC LATA) MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2014-10-20   
410-705 1 Waterloo (Washington DC LATA) MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-05-26   
410-705 2 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
410-705 3 Waterloo (Washington DC LATA) MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-05-26   
410-705 4 Waterloo (Washington DC LATA) MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-02-13   
410-705 5 Waterloo (Washington DC LATA) MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-07-06   
410-705 6 Waterloo (Washington DC LATA) MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.