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: 234 [Rate centres in NPA 234] [Dial plan for NPA 234]

NXX: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-534 A Northfield OH   464C ONVOY, LLC - OH 320   2024-08-06   
234-534 5 Northfield OH   464C ONVOY, LLC - OH 320   2024-08-06   
234-534 6 Northfield OH   464C ONVOY, LLC - OH 320   2024-08-06   
234-534 7 Northfield OH   464C ONVOY, LLC - OH 320   2024-08-06   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.