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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-438 A North Lima OH YNTWOH78X0X  624H ONVOY SPECTRUM, LLC 322   2024-08-12   
234-438 0 North Lima OH YNTWOH78X0X  624H ONVOY SPECTRUM, LLC 322   2024-08-12   
234-438 1 North Lima OH YNTWOH78X9X  464C ONVOY, LLC - OH 322   2024-08-13   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.