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: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-803 A Concord MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-803 0 Concord MA   145J TERRA NOVA TELECOM INC. 128   2026-01-11   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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