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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 541

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-541 A Devine TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-541 0 Devine TX   903C ONVOY, LLC - TX 566   2021-11-25   
830-541 1 Devine TX   624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-541 2 Devine TX   903C ONVOY, LLC - TX 566   2021-03-19   
830-541 3 Devine TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2016-08-05   
830-541 4 Devine TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-10   
830-541 5 Devine TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-09-10   
830-541 7 Devine TX   903C ONVOY, LLC - TX 566   2014-11-08   
830-541 8 Devine TX   903C ONVOY, LLC - TX 566   2023-10-29   
830-541 9 Devine TX   903C ONVOY, LLC - TX 566   2021-11-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.