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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-461 A Webster MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-461 0 Webster MA WRCSMACEX1X  3370 CTC COMMUNICATIONS CORP. - MA 128   2003-08-20   
508-461 1 Webster MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2003-11-16   
508-461 2 Webster MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-05-18   
508-461 4 Webster MA BSTPMALL7MD  966G LOCAL ACCESS LLC - MA 128   2017-07-06   
508-461 5 Webster MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2013-06-23   
508-461 6 Webster MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2008-07-14   
508-461 7 Webster MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2006-06-08   
508-461 8 Webster MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-461 9 Webster MA OXFRMAAKPS0  293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2004-06-25   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.