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: 326 [Rate centres in NPA 326] [Dial plan for NPA 326]

NXX: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
326-223 A Centerville (Montgomery) OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2024-07-03   
326-223 0 Centerville (Montgomery) OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2024-07-03   
326-223 3 Centerville (Montgomery) OH DYTNOHKT8MD  145J TERRA NOVA TELECOM INC. 328   2024-07-04   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.