Local Calling Guide

Area code/prefix search

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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-488 A Billerica MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 0 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 1 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 3 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 4 Billerica MA   892D ONVOY, LLC - MA 128   2023-07-02   
978-488 5 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-488 7 Billerica MA   490J DISH WIRELESS, LLC 128   2024-06-13   
978-488 8 Billerica MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-02-05   
978-488 9 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128      

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

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