Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Richmond, MA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
413-380 A   793K TWC IP ENABLED SERVICES, LLC 126   2025-05-06   
413-380 0   793K TWC IP ENABLED SERVICES, LLC 126   2020-07-26   
413-380 3 SPFDMAWONMD  624H ONVOY SPECTRUM, LLC 126   2021-04-03   
413-698 A RCMDMAXADS0  0037 MAGNA5 RTC LLC DBA RICHMOND TELEPHONE COMPANY 126      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.