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: 783

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-783 A Andover MA   829J PAETEC ITEL, LLC 128      
978-783 0 Andover MA   829J PAETEC ITEL, LLC 128      
978-783 1 Andover MA   829J PAETEC ITEL, LLC 128   2014-05-28   
978-783 2 Andover MA   318J COMCAST IP PHONE, LLC 128   2017-12-01   
978-783 3 Andover MA   318J COMCAST IP PHONE, LLC 128   2014-03-12   
978-783 4 Andover MA   892D ONVOY, LLC - MA 128   2021-04-06   
978-783 5 Andover MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2014-07-05   
978-783 6 Andover MA   624H ONVOY SPECTRUM, LLC 128   2021-12-02   
978-783 7 Andover MA   829J PAETEC ITEL, LLC 128   2012-08-26   
978-783 8 Andover MA   7135 TC SYSTEMS, INC. 128   2016-01-25   
978-783 9 Andover MA   7135 TC SYSTEMS, INC. 128   2016-01-25   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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