Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-380 A Richmond MA   793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-380 0 Richmond MA   793K TWC IP ENABLED SERVICES, LLC 126   2020-07-26   
413-380 3 Richmond MA SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2021-04-03   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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