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: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-344 A Maynard MA   829J PAETEC ITEL, LLC 128      
978-344 0 Maynard MA   829J PAETEC ITEL, LLC 128      
978-344 1 Maynard MA   892D ONVOY, LLC - MA 128   2010-03-15   
978-344 2 Maynard MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
978-344 3 Maynard MA   145J TERRA NOVA TELECOM INC. 128   2025-05-17   
978-344 4 Maynard MA   829J PAETEC ITEL, LLC 128   2006-10-20   
978-344 5 Maynard MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2007-01-02   
978-344 6 Maynard MA   892D ONVOY, LLC - MA 128   2010-04-07   
978-344 7 Maynard MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
978-344 8 Maynard MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-344 9 Maynard MA   515J IP HORIZON LLC 128   2015-10-26   

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

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