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.

Ashton, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-214 A SXCYIADT9MD  221F ONVOY, LLC - IA 630      
712-214 0 SXCYIADTUMD  073H TELNYX LLC 630   2020-05-22   
712-214 1 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2020-01-27   
712-214 2 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2018-10-26   
712-214 3 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-07-25   
712-214 4 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2019-07-25   
712-214 5 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2020-05-14   
712-214 6 SXCYIADTUMD  073H TELNYX LLC 630   2021-08-02   
712-214 7 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2020-05-14   
712-214 8 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2018-12-30   
712-214 9 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2018-12-30   
712-724 A ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 0 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 1 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 2 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 3 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 4 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 5 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 6 ASTNIAXORS7  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 630      
712-724 7   904D PREMIER COMMUNICATIONS, INC. - IA 630   2020-11-16   
712-724 8 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2021-03-08   
712-724 9 SXCYIADT9MD  221F ONVOY, LLC - IA 630   2021-03-08   
712-932 A SXCYIADTX4X  516J TON80 COMMUNICATIONS, LLC 630      
712-932 2 SXCYIADTX4X  516J TON80 COMMUNICATIONS, LLC 630   2022-04-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.