Local Calling Guide

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

NXX: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-390 A Southgate MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-390 1 Southgate MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-11-21   
774-390 2 Southgate MA   892D ONVOY, LLC - MA 128   2021-11-13   
774-390 3 Southgate MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-04   
774-390 4 Southgate MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2023-08-17   
774-390 5 Southgate MA   624H ONVOY SPECTRUM, LLC 128   2021-04-12   
774-390 6 Southgate MA   892D ONVOY, LLC - MA 128   2021-11-13   
774-390 7 Southgate MA   892D ONVOY, LLC - MA 128   2020-07-11   
774-390 8 Southgate MA   892D ONVOY, LLC - MA 128   2020-07-11   
774-390 9 Southgate MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-04   

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

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