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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-488 A Milford MA   829J PAETEC ITEL, LLC 128      
508-488 0 Milford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2007-05-08   
508-488 1 Milford MA   829J PAETEC ITEL, LLC 128      
508-488 2 Milford MA   829J PAETEC ITEL, LLC 128      
508-488 3 Milford MA   829J PAETEC ITEL, LLC 128      
508-488 4 Milford MA   515J IP HORIZON LLC 128   2009-03-07   
508-488 5 Milford MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-06-05   
508-488 6 Milford MA   318J COMCAST IP PHONE, LLC 128   2006-11-14   
508-488 7 Milford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-08-15   
508-488 8 Milford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2006-02-11   
508-488 9 Milford MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

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

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