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: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-229 A Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2021-01-05   
978-229 2 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-229 5 Wilmington MA CHTWMABFDS2  966C DSCI, LLC 128   2005-04-10   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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