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.

NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-218 A Hensel PA HRBGPAHAXRY  7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 226      
223-218 0 Hensel PA   547E ONVOY, LLC - PA 226   2020-04-13   
223-218 1 Hensel PA   547E ONVOY, LLC - PA 226   2023-09-14   
223-218 2 Hensel PA   547E ONVOY, LLC - PA 226   2021-07-19   
223-218 3 Hensel PA   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 226   2019-06-17   
223-218 4 Hensel PA   547E ONVOY, LLC - PA 226   2021-02-25   
223-218 5 Hensel PA   547E ONVOY, LLC - PA 226   2021-02-25   
223-218 6 Hensel PA   624H ONVOY SPECTRUM, LLC 226   2024-10-25   
223-218 8 Hensel PA   5562 METROPCS, INC. 226   2021-05-07   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.