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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-746 A Mifflintown PA HRBGPAGU7MD  516J TON80 COMMUNICATIONS, LLC 226      
223-746 0 Mifflintown PA   6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 226   2025-08-11   
223-746 1 Mifflintown PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2022-03-09   
223-746 4 Mifflintown PA CRLSPAXCXHX  547E ONVOY, LLC - PA 226   2022-03-09   
223-746 7 Mifflintown PA HRBGPAGU7MD  516J TON80 COMMUNICATIONS, LLC 226   2022-03-08   
223-746 8 Mifflintown PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2022-12-08   
223-746 9 Mifflintown PA HRBGPAHAXMD  073H TELNYX LLC 226   2022-07-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.