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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-510 A Fork MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 0 Fork MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 1 Fork MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 2 Fork MD   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 3 Fork MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-510 4 Fork MD   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 5 Fork MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-03-29   
410-510 6 Fork MD   624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 7 Fork MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2005-03-10   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.