Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-850 A Westford MA NRTNMAAACM4  6664 SPRINT SPECTRUM, L.P. 128      
978-850 0 Westford MA BSTPMALL7MD  966G LOCAL ACCESS LLC - MA 128   2017-07-06   
978-850 1 Westford MA SOVLMAAB2MD  966G LOCAL ACCESS LLC - MA 128   2015-03-26   
978-850 2 Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-03-02   
978-850 3 Westford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
978-850 4 Westford MA NWTNMAWAVMD  318J COMCAST IP PHONE LLC 128   2014-12-05   
978-850 5 Westford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-14   
978-850 6 Westford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-14   
978-850 7 Westford MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
978-850 9 Westford MA NRTNMAAACM4  6664 SPRINT SPECTRUM, L.P. 128   2016-08-09   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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