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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-639 A Southgate MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-639 0 Southgate MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-639 1 Southgate MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2013-01-12   
508-639 2 Southgate MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-10-03   
508-639 3 Southgate MA BSTPMALLOMD  073H TELNYX LLC 128   2023-05-19   
508-639 4 Southgate MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
508-639 5 Southgate MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-639 6 Southgate MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-639 8 Southgate MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-23   
508-639 9 Southgate MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2004-08-27   

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

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