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: RCFRILRTXRY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-405 A Rockford IL 616J LEAP TELECOM, LLC 360   2024-11-21   
779-405 0 Rockford IL 616J LEAP TELECOM, LLC 360   2024-11-21   

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

Sponsored by: Execulink Telecom

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