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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-306 A Hartford (Trumbull) OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322      
234-306 0 Hartford (Trumbull) OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2022-12-01   
234-306 3 Hartford (Trumbull) OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2021-12-17   
234-306 6 Hartford (Trumbull) OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2021-10-07   
234-306 7 Hartford (Trumbull) OH WRRNOHXAVMD  464C ONVOY, LLC - OH 322   2021-10-07   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.