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: PHLAPAMK4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
215-400 7 Philadelphia Zone 1 PA 854D XTEL COMMUNICATIONS, INC. 228   2005-01-20   
215-845 2 Philadelphia Zone 1 PA 854D XTEL COMMUNICATIONS, INC. 228   2015-07-12   
215-845 3 Philadelphia Zone 1 PA 854D XTEL COMMUNICATIONS, INC. 228   2015-07-12   
215-999 A Philadelphia Zone 1 PA 854D XTEL COMMUNICATIONS, INC. 228      
215-999 0 Philadelphia Zone 1 PA 854D XTEL COMMUNICATIONS, INC. 228   2011-07-09   

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

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