Local Calling Guide

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NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-399 A Westboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-399 0 Westboro MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-07-12   
774-399 1 Westboro MA   073H TELNYX LLC 128   2022-06-16   
774-399 2 Westboro MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-01-15   
774-399 5 Westboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2019-07-13   
774-399 6 Westboro MA   892D ONVOY, LLC - MA 128   2021-03-07   
774-399 7 Westboro MA   892D ONVOY, LLC - MA 128   2021-03-07   
774-399 8 Westboro MA   892D ONVOY, LLC - MA 128   2021-03-07   
774-399 9 Westboro MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-09-08   

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

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