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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-377 A Warfordsburg PA HGTWMD53CMD  965H FRACTEL, LLC 240      
223-377 0 Warfordsburg PA CMLDMDCMEMD  547E ONVOY, LLC - PA 240   2024-02-03   
223-377 2 Warfordsburg PA CMLDMDCMEMD  547E ONVOY, LLC - PA 240   2021-04-30   
223-377 3 Warfordsburg PA CMLDMDCMEMD  547E ONVOY, LLC - PA 240   2021-04-30   
223-377 4 Warfordsburg PA FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
223-377 5 Warfordsburg PA CMLDMDCMEMD  547E ONVOY, LLC - PA 240   2023-02-12   
223-377 6 Warfordsburg PA HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240   2021-06-10   
223-377 7 Warfordsburg PA HGTWMD53CMD  965H FRACTEL, LLC 240   2021-04-29   
223-377 8 Warfordsburg PA CMLDMDCMEMD  547E ONVOY, LLC - PA 240   2023-07-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.