Local Calling Guide

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

NXX: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-543 A Waltham MA FKLNMACNDS0  6083 NORFOLK COUNTY INTERNET, INC. 128      

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

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