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.

Switch: ELPSTXMAXHY

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
915-899 5 Fabens TX 624H ONVOY SPECTRUM, LLC 540   2021-07-06   
915-933 4 Canutillo TX 624H ONVOY SPECTRUM, LLC 540   2021-06-27   
915-944 6 Fort Hancock TX 624H ONVOY SPECTRUM, LLC 540   2021-06-27   
915-944 9 Fort Hancock TX 624H ONVOY SPECTRUM, LLC 540   2021-12-04   

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.