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.

Alburg, VT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
802-520 A BURLVTMAXEX  451F ONVOY, LLC - VT 124      
802-520 0   451F ONVOY, LLC - VT 124   2020-12-04   
802-520 1   451F ONVOY, LLC - VT 124   2020-12-04   
802-520 2   451F ONVOY, LLC - VT 124   2018-10-22   
802-520 3   451F ONVOY, LLC - VT 124   2021-07-25   
802-520 4   451F ONVOY, LLC - VT 124   2022-11-21   
802-520 5   451F ONVOY, LLC - VT 124   2021-07-17   
802-520 6   624H ONVOY SPECTRUM, LLC 124   2024-10-23   
802-520 8   451F ONVOY, LLC - VT 124   2021-04-26   
802-520 9   005F BANDWIDTH.COM CLEC, LLC - VT 124   2020-03-12   
802-796 A ALBGVTXADS0  3331 CONSOLIDATED COMMUNICATIONS OF NORTHLAND COMPANY 124      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.