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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-456 A Framingham MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-456 0 Framingham MA   892D ONVOY, LLC - MA 128   2021-07-10   
774-456 1 Framingham MA   197D VONAGE AMERICA LLC 128   2021-05-29   
774-456 2 Framingham MA   892D ONVOY, LLC - MA 128   2021-07-10   
774-456 3 Framingham MA   892D ONVOY, LLC - MA 128   2021-07-10   
774-456 4 Framingham MA   939H COMMIO, LLC 128   2024-03-04   
774-456 6 Framingham MA   892D ONVOY, LLC - MA 128   2021-07-10   
774-456 7 Framingham MA   624H ONVOY SPECTRUM, LLC 128   2021-04-08   
774-456 8 Framingham MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-03-12   
774-456 9 Framingham MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-03-12   

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

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