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: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-251 A Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 0 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 1 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 2 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 3 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 4 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 5 Lowell MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-04-06   
978-251 6 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 7 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 8 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      
978-251 9 Lowell MA NCHLMAGRRP0  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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