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: 434 [Rate centres in NPA 434] [Dial plan for NPA 434]

NXX: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
434-280 A Buckingham VA LYBGVACHX0X  138E ONVOY, LLC - VA 250      
434-280 0 Buckingham VA   073H TELNYX LLC 250   2021-02-12   
434-280 1 Buckingham VA   624H ONVOY SPECTRUM, LLC 250   2021-12-02   
434-280 2 Buckingham VA   138E ONVOY, LLC - VA 250   2019-10-07   
434-280 3 Buckingham VA   138E ONVOY, LLC - VA 250   2019-10-07   
434-280 4 Buckingham VA   138E ONVOY, LLC - VA 250   2018-12-23   
434-280 5 Buckingham VA   318J COMCAST IP PHONE, LLC 250   2020-07-14   
434-280 6 Buckingham VA   624H ONVOY SPECTRUM, LLC 250   2021-05-30   
434-280 7 Buckingham VA   138E ONVOY, LLC - VA 250   2020-11-05   
434-280 8 Buckingham VA   138E ONVOY, LLC - VA 250   2020-11-05   
434-280 9 Buckingham VA   138E ONVOY, LLC - VA 250   2021-12-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.