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: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-713 A Westport MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
774-713 0 Westport MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-03-14   
774-713 1 Westport MA   073H TELNYX LLC 128   2017-05-04   
774-713 2 Westport MA   892D ONVOY, LLC - MA 128   2021-05-04   
774-713 3 Westport MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2017-03-13   
774-713 7 Westport MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-05-28   
774-713 8 Westport MA   892D ONVOY, LLC - MA 128   2019-02-08   
774-713 9 Westport MA   892D ONVOY, LLC - MA 128   2019-02-08   

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

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