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: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-899 A Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-899 0 Littleton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2026-10-16   
978-899 1 Littleton MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-12-27   
978-899 8 Littleton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-03-03   
978-899 9 Littleton MA   114J EXIANT COMMUNICATIONS LLC 128   2026-09-25   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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