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]

NXX: 793

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-793 A Severna Park MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
410-793 0 Severna Park MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
410-793 1 Severna Park MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-10   
410-793 2 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-10-03   
410-793 3 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-12-11   
410-793 4 Severna Park MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
410-793 5 Severna Park MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-793 6 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-10-03   
410-793 7 Severna Park MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-793 8 Severna Park MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2003-02-27   
410-793 9 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-10-03   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.