Local Calling Guide

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

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-321 A Malden MA MLDNMAELDS2  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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