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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-859 A Leicester MA CMBRMAORRS0  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-07   
508-859 0 Leicester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-859 1 Leicester MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-859 2 Leicester MA   4536 XO MASSACHUSETTS, INC. 128   2008-02-21   
508-859 3 Leicester MA   4536 XO MASSACHUSETTS, INC. 128   2006-04-23   
508-859 4 Leicester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-07   
508-859 5 Leicester MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
508-859 6 Leicester MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2011-01-25   
508-859 7 Leicester MA   892D ONVOY, LLC - MA 128   2012-03-16   
508-859 8 Leicester MA   293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2012-05-31   
508-859 9 Leicester MA   892D ONVOY, LLC - MA 128   2013-01-10   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.