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: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-423 A Ickesburg PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226      
223-423 0 Ickesburg PA HRBGPAGU2MD  073H TELNYX LLC 226      
223-423 1 Ickesburg PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226      
223-423 2 Ickesburg PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-423 3 Ickesburg PA   547E ONVOY, LLC - PA 226      
223-423 7 Ickesburg PA HRBGPAGU7MD  516J TON80 COMMUNICATIONS, LLC 226      
223-423 8 Ickesburg PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226      
223-423 9 Ickesburg PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.