Local Calling Guide

Area code/prefix search

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

NXX: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-597 A Lexington MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-597 9 Lexington MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-12-17   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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