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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-321 A Medway MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-321 0 Medway MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-321 1 Medway MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-321 2 Medway MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-321 3 Medway MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2007-06-15   
508-321 4 Medway MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2009-10-08   
508-321 5 Medway MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-321 6 Medway MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-321 7 Medway MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-02-10   
508-321 8 Medway MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
508-321 9 Medway MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2008-08-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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