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: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-742 A Holmesville OH MNFDOHXAGMD  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 923      
234-742 3 Holmesville OH MNFDOHXAGMD  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 923   2015-02-20   
234-742 4 Holmesville OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2021-01-31   
234-742 5 Holmesville OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2021-01-31   
234-742 6 Holmesville OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2021-01-31   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.