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: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-858 A Lowell MA TWBYMARODS1  9102 VERIZON NEW ENGLAND INC. 128      
978-858 0 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 1 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 2 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 3 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 4 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 5 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      
978-858 6 Lowell MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-20   
978-858 7 Lowell MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-11-20   
978-858 8 Lowell MA   145J TERRA NOVA TELECOM INC. 128   2024-09-09   
978-858 9 Lowell MA   9102 VERIZON NEW ENGLAND INC. 128      

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

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