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: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-742 A Littleton MA LTTNMAKIRS1  9102 VERIZON NEW ENGLAND INC. 128      
978-742 0 Littleton MA   624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-742 1 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 2 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 3 Littleton MA   892D ONVOY, LLC - MA 128   2023-06-23   
978-742 4 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 5 Littleton MA   516J TON80 COMMUNICATIONS, LLC 128   2022-03-05   
978-742 6 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 7 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 8 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      
978-742 9 Littleton MA   9102 VERIZON NEW ENGLAND INC. 128      

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

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