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: PHLAPAMKLMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
215-422 3 Philadelphia Zone 1 PA 156J RCLEC, INC. 228   2015-05-09   
267-780 7 Philadelphia Zone 1 PA 156J RCLEC, INC. 228   2017-03-03   
267-930 A Philadelphia Zone 1 PA 156J RCLEC, INC. 228      
267-930 4 Philadelphia Zone 1 PA 156J RCLEC, INC. 228   2014-07-12   
445-444 8 Philadelphia Zone 1 PA 156J RCLEC, INC. 228   2019-02-21   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.