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: 527

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-527 A Wilmington MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 0 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 1 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 3 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 4 Wilmington MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 5 Wilmington MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-18   
978-527 6 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-527 7 Wilmington MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-18   
978-527 8 Wilmington MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-11   
978-527 9 Wilmington MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2022-01-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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