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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-301 5 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-301 6 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-301 7 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-301 8 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-301 9 Baltimore MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-20   
410-302 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-303 A Baltimore MD WDLWMDEMCM2  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-304 A Queenstown MD QNTWMDARPS0  228C IDT AMERICA CORP - MD 242   2006-05-20   
410-304 0 Queenstown MD   073H TELNYX LLC 242   2017-09-13   
410-304 1 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-304 2 Queenstown MD   228C IDT AMERICA CORP - MD 242   2006-05-20   
410-304 3 Queenstown MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 242   2009-03-01   
410-304 4 Queenstown MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2011-01-29   
410-304 5 Queenstown MD   2589 US LEC OF MARYLAND, INC. 242   2012-07-26   
410-304 6 Queenstown MD   876D ONVOY, LLC - MD 242   2018-05-27   
410-304 7 Queenstown MD   876D ONVOY, LLC - MD 242   2017-04-14   
410-304 8 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-304 9 Queenstown MD   2593 CORE COMMUNICATIONS, INC. - MD 242   2018-06-17   
410-305 A Odenton MD ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
410-305 0 Odenton MD   9212 VERIZON MARYLAND, INC. 238      
410-305 1 Odenton MD   9212 VERIZON MARYLAND, INC. 238      
410-305 2 Odenton MD   9212 VERIZON MARYLAND, INC. 238      
410-305 3 Odenton MD   9212 VERIZON MARYLAND, INC. 238      
410-305 4 Odenton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-07-27   
410-305 5 Odenton MD   9212 VERIZON MARYLAND, INC. 238      
410-305 6 Odenton MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
410-305 7 Odenton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2009-10-09   
410-305 8 Odenton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-12-17   
410-305 9 Odenton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-01-02   
410-306 A Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 0 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 1 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 2 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 3 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 4 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 5 Aberdeen MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-05-20   
410-306 6 Aberdeen MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2005-03-10   
410-306 7 Aberdeen MD   2589 US LEC OF MARYLAND, INC. 236   2005-03-11   
410-306 8 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-306 9 Aberdeen MD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD 236   2003-02-25   
410-307 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 0 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 1 Towson MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-307 2 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 3 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 4 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 5 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 6 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 7 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 8 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   

<< 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.