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: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-231 A Framingham MA ASLDMAMARS4  9102 VERIZON NEW ENGLAND INC. 128      
508-231 1 Framingham MA ASLDMAMARS4  9102 VERIZON NEW ENGLAND INC. 128      
508-231 2 Framingham MA ASLDMAMARS4  9102 VERIZON NEW ENGLAND INC. 128      
508-231 3 Framingham MA ASLDMAMARS4  9102 VERIZON NEW ENGLAND INC. 128      
508-231 4 Framingham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-31   
508-231 5 Framingham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-12-31   
508-231 6 Framingham MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-11-14   
508-231 7 Framingham MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-08-10   
508-231 8 Framingham MA   145J TERRA NOVA TELECOM INC. 128   2022-05-05   
508-231 9 Framingham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2013-03-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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