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: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-874 A Westminster MA WMNSMAELRS1  9102 VERIZON NEW ENGLAND INC. 128      
978-874 0 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 1 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 2 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 3 Westminster MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-03   
978-874 4 Westminster MA   624H ONVOY SPECTRUM, LLC 128   2021-04-15   
978-874 5 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 6 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 7 Westminster MA   9102 VERIZON NEW ENGLAND INC. 128      
978-874 8 Westminster MA   073H TELNYX LLC 128   2017-05-09   
978-874 9 Westminster MA   892D ONVOY, LLC - MA 128   2021-03-07   

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

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