Local Calling Guide

Area code/prefix search

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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-899 A Waltham MA WLHMMASPDS1  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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