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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-576 A Tabor IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2024-01-17   
712-576 0 Tabor IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2024-08-23   
712-576 2 Tabor IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   
712-576 3 Tabor IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2021-04-02   
712-576 7 Tabor IA OMAHNENWXPX  221F ONVOY, LLC - IA 644   2020-01-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.