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: 792

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-792 A Amesbury MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-792 0 Amesbury MA   892D ONVOY, LLC - MA 128   2019-02-23   
978-792 1 Amesbury MA   7135 TC SYSTEMS, INC. 128      
978-792 2 Amesbury MA   892D ONVOY, LLC - MA 128   2012-03-15   
978-792 3 Amesbury MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2012-03-15   
978-792 4 Amesbury MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2002-03-04   
978-792 5 Amesbury MA   318J COMCAST IP PHONE, LLC 128   2010-08-08   
978-792 6 Amesbury MA   892D ONVOY, LLC - MA 128   2024-02-24   
978-792 7 Amesbury MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   
978-792 8 Amesbury MA   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-08-21   
978-792 9 Amesbury MA   892D ONVOY, LLC - MA 128   2019-02-23   

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

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