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
508-403 A Cataumet MA CMBRMAORRS0  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-403 0 Cataumet MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-29   
508-403 1 Cataumet MA   892D ONVOY, LLC - MA 128   2019-02-23   
508-403 2 Cataumet MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-05-16   
508-403 3 Cataumet MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2019-11-02   
508-403 4 Cataumet MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-403 8 Cataumet MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-05-16   

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

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.