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: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-591 A Plymouth MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
508-591 0 Plymouth MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-591 1 Plymouth MA   7135 TC SYSTEMS, INC. 128      
508-591 2 Plymouth MA   145J TERRA NOVA TELECOM INC. 128   2022-12-16   
508-591 3 Plymouth MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-591 4 Plymouth MA   829J PAETEC ITEL, LLC 128   2012-11-07   
508-591 5 Plymouth MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-591 6 Plymouth MA   829J PAETEC ITEL, LLC 128   2005-06-14   
508-591 7 Plymouth MA   318J COMCAST IP PHONE, LLC 128   2006-11-06   
508-591 8 Plymouth MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-04-29   
508-591 9 Plymouth MA   7135 TC SYSTEMS, INC. 128      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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