Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-456 A East Bridgewater MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-456 0 East Bridgewater MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-11   
508-456 1 East Bridgewater MA   318J COMCAST IP PHONE, LLC 128      
508-456 3 East Bridgewater MA   624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-456 4 East Bridgewater MA   318J COMCAST IP PHONE, LLC 128   2010-08-08   
508-456 5 East Bridgewater MA   624H ONVOY SPECTRUM, LLC 128   2021-12-20   
508-456 6 East Bridgewater MA   892D ONVOY, LLC - MA 128   2013-01-10   
508-456 7 East Bridgewater MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-07-23   
508-456 8 East Bridgewater MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-11   
508-456 9 East Bridgewater MA   624H ONVOY SPECTRUM, LLC 128   2021-12-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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