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 BRTNMACOX6X  829J PAETEC ITEL, LLC 128      
978-783 0 Andover MA BRTNMACOX6X  829J PAETEC ITEL, LLC 128      
978-783 1 Andover MA BRTNMACOX3X  829J PAETEC ITEL, LLC 128   2014-05-28   
978-783 2 Andover MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2017-12-01   
978-783 3 Andover MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-03-12   
978-783 4 Andover MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-04-06   
978-783 5 Andover MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2014-07-05   
978-783 6 Andover MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-12-02   
978-783 7 Andover MA BRTNMACOX3X  829J PAETEC ITEL, LLC 128   2012-08-26   
978-783 8 Andover MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2016-01-25   
978-783 9 Andover MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2016-01-25   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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