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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-474 A Holliston MA   829J PAETEC ITEL, LLC 128      
508-474 0 Holliston MA   829J PAETEC ITEL, LLC 128   2002-10-14   
508-474 1 Holliston MA   829J PAETEC ITEL, LLC 128   2002-06-14   
508-474 2 Holliston MA   829J PAETEC ITEL, LLC 128   2008-05-08   
508-474 3 Holliston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-474 4 Holliston MA   515J IP HORIZON LLC 128   2002-03-27   
508-474 5 Holliston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-02   
508-474 6 Holliston MA   829J PAETEC ITEL, LLC 128      
508-474 7 Holliston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-474 8 Holliston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-474 9 Holliston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-04-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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