Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-717 A Chilmark MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
774-717 0 Chilmark MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
774-717 1 Chilmark MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
774-717 2 Chilmark MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-13   
774-717 3 Chilmark MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2017-03-06   
774-717 4 Chilmark MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-07-26   
774-717 6 Chilmark MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-28   
774-717 8 Chilmark MA BSTPMALLOMD  073H TELNYX LLC 128   2019-09-27   
774-717 9 Chilmark MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-08   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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