Local Calling Guide

Area code/prefix search

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

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-304 A Wellesley MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 1 Wellesley MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 2 Wellesley MA   624H ONVOY SPECTRUM, LLC 128   2021-04-15   
781-304 3 Wellesley MA   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2008-11-03   
781-304 4 Wellesley MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-18   
781-304 5 Wellesley MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-304 6 Wellesley MA   892D ONVOY, LLC - MA 128   2023-08-09   
781-304 7 Wellesley MA   892D ONVOY, LLC - MA 128   2023-08-09   
781-304 8 Wellesley MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-10-21   
781-304 9 Wellesley MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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