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: PHLAPAFGXIY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
445-315 A Philadelphia Suburban Zone 45 PA 839J EON TELECOM, INC. 228   2024-11-28   
445-316 A Philadelphia Suburban Zone 40 PA 839J EON TELECOM, INC. 228   2024-11-28   
445-317 A Philadelphia Zone 1 PA 839J EON TELECOM, INC. 228   2024-11-28   
835-249 A Bally PA 839J EON TELECOM, INC. 228   2024-11-28   
835-251 A Bath PA 839J EON TELECOM, INC. 228   2024-11-28   
835-252 A Center Point PA 839J EON TELECOM, INC. 228   2024-11-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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