Local Calling Guide

Area code/prefix search

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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-448 A Groton MA GRTNMAHORP0  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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