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.

Switch: WRCSMACEX0Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-574 0 Athol (Franklin County) MA 793K TWC IP ENABLED SERVICES, LLC 128   2010-11-01   
978-633 4 Orange MA 793K TWC IP ENABLED SERVICES, LLC 128   2005-07-15   
978-830 A Athol MA 793K TWC IP ENABLED SERVICES, LLC 128      
978-830 0 Athol MA 793K TWC IP ENABLED SERVICES, LLC 128   2015-07-27   
978-830 4 Athol MA 793K TWC IP ENABLED SERVICES, LLC 128   2010-11-14   

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

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