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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-566 A Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128      
774-566 0 Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 1 Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 2 Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 3 Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 4 Grafton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
774-566 6 Grafton MA   145J TERRA NOVA TELECOM INC. 128   2023-11-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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