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.

NPA: 414 [Rate centres in NPA 414] [Dial plan for NPA 414]

NXX: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-763 A Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356      
414-763 0 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 1 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356      
414-763 2 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 3 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 4 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 5 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 6 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 7 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2004-11-01   
414-763 8 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2005-06-30   
414-763 9 Milwaukee Zone 1 WI   793K TWC IP ENABLED SERVICES, LLC 356   2005-07-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.