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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-626 A Primghar IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630      
712-626 0 Primghar IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2018-04-02   
712-626 1 Primghar IA SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630   2016-12-27   
712-626 2 Primghar IA SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2018-04-02   
712-626 3 Primghar IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630   2021-10-31   
712-626 6 Primghar IA SXCYIADTX4X  516J TON80 COMMUNICATIONS, LLC 630   2022-04-11   
712-626 7 Primghar IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630   2021-05-05   
712-626 8 Primghar IA RCCYIAXCXMD  624H ONVOY SPECTRUM, LLC 630   2024-03-17   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.