Local Calling Guide

Area code/prefix search

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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 571

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 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-571 1 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-01   
508-571 2 Northboro MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128      
508-571 3 Northboro MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2016-10-14   
508-571 4 Northboro MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2022-09-27   
508-571 5 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-571 6 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-28   
508-571 7 Northboro MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
508-571 8 Northboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-08-26   
508-571 9 Northboro MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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