Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-571 A Northboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-571 0 Northboro MA   892D ONVOY, LLC - MA 128   2019-07-01   
508-571 1 Northboro MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-01   
508-571 2 Northboro MA   7135 TC SYSTEMS, INC. 128      
508-571 3 Northboro MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2016-10-14   
508-571 5 Northboro MA   892D ONVOY, LLC - MA 128   2016-03-28   
508-571 6 Northboro MA   892D ONVOY, LLC - MA 128   2016-03-28   
508-571 8 Northboro MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-26   
508-571 9 Northboro MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2005-12-04   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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