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: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-487 A Ayer MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-487 0 Ayer MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-487 1 Ayer MA   829J PAETEC ITEL, LLC 128   2002-09-29   
978-487 2 Ayer MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-487 3 Ayer MA   829J PAETEC ITEL, LLC 128   2005-05-20   
978-487 5 Ayer MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-487 6 Ayer MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
978-487 7 Ayer MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2014-11-25   
978-487 8 Ayer MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-14   
978-487 9 Ayer MA   145J TERRA NOVA TELECOM INC. 128   2025-02-13   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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