Local Calling Guide

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

NXX: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-451 A Concord MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-451 0 Concord MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-12   
978-451 1 Concord MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-451 2 Concord MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2023-10-27   
978-451 3 Concord MA CNCRMAWADS0  9102 VERIZON NEW ENGLAND INC. 128   2006-10-23   
978-451 4 Concord MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-13   
978-451 5 Concord MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128   2023-06-08   
978-451 6 Concord MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-28   
978-451 7 Concord MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-28   
978-451 8 Concord MA   515J IP HORIZON LLC 128   2016-07-01   
978-451 9 Concord MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   

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

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