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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-475 A Marlboro MA SOVLMAAB3MD  197D VONAGE AMERICA LLC 128   2021-06-27   
774-475 0 Marlboro MA   892D ONVOY, LLC - MA 128   2021-07-27   
774-475 1 Marlboro MA   197D VONAGE AMERICA LLC 128   2021-06-27   
774-475 5 Marlboro MA   197D VONAGE AMERICA LLC 128   2021-06-27   
774-475 7 Marlboro MA   516J TON80 COMMUNICATIONS LLC 128   2022-03-03   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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