Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-742 A Dedham MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-742 0 Dedham MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-09-27   
781-742 1 Dedham MA   624H ONVOY SPECTRUM, LLC 128   2021-10-21   
781-742 2 Dedham MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-742 3 Dedham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-02-10   
781-742 4 Dedham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-02-10   
781-742 5 Dedham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-02-10   
781-742 6 Dedham MA   624H ONVOY SPECTRUM, LLC 128   2021-09-09   
781-742 7 Dedham MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-742 9 Dedham MA   892D ONVOY, LLC - MA 128   2021-11-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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