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: PHLAPAFGXZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
445-201 A Philadelphia Zone 1 PA 464H FINGER LAKES TECHNOLOGIES GROUP, INC. - PA 228      
445-201 6 Philadelphia Zone 1 PA 464H FINGER LAKES TECHNOLOGIES GROUP, INC. - PA 228   2020-10-23   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.