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: 294

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-294 A Billerica MA BLRCMAANRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-294 0 Billerica MA   073H TELNYX LLC 128   2017-04-26   
978-294 1 Billerica MA   9102 VERIZON NEW ENGLAND INC. 128      
978-294 2 Billerica MA   318J COMCAST IP PHONE, LLC 128   2016-01-18   
978-294 3 Billerica MA   5562 METROPCS, INC. 128   2021-12-28   
978-294 4 Billerica MA   5562 METROPCS, INC. 128   2021-12-28   
978-294 5 Billerica MA   5562 METROPCS, INC. 128   2021-12-28   
978-294 6 Billerica MA   5562 METROPCS, INC. 128   2021-12-28   
978-294 7 Billerica MA   5562 METROPCS, INC. 128   2021-12-28   
978-294 8 Billerica MA   318J COMCAST IP PHONE, LLC 128   2013-12-31   
978-294 9 Billerica MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

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

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