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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
326-203 A Dayton OH DYTNOHKTGMD  700J WAVENATION, LLC 328   2021-10-15   
326-203 0 Dayton OH DYTNOHKTGMD  700J WAVENATION, LLC 328   2021-12-03   
326-203 1 Dayton OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2021-12-03   
326-203 2 Dayton OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2021-12-03   
326-203 3 Dayton OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2021-12-03   
326-203 4 Dayton OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2021-12-03   
326-203 5 Dayton OH DYTNOH22X5Z  624H ONVOY SPECTRUM, LLC 328   2021-12-03   
326-203 6 Dayton OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2021-10-15   
326-203 7 Dayton OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2021-10-15   
326-203 8 Dayton OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2021-10-15   
326-203 9 Dayton OH HRTPOHBL0MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 328   2021-10-15   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.