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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-566 A Underwood IA UNWDIACORS1  9631 QWEST CORPORATION 644      
712-566 0 Underwood IA OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644      
712-566 1 Underwood IA OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644      
712-566 2 Underwood IA UNWDIACORS1  9631 QWEST CORPORATION 644      
712-566 3 Underwood IA UNWDIACORS1  9631 QWEST CORPORATION 644      
712-566 4 Underwood IA OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644      
712-566 5 Underwood IA OMAHNENWXTX  985E BANDWIDTH.COM CLEC, LLC - IA 644      
712-566 6 Underwood IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-566 7 Underwood IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-566 8 Underwood IA WLNTIAXODS1  774B WALNUT TELEPHONE COMPANY, INC. - IA 644      
712-566 9 Underwood IA UNWDIACORS1  9631 QWEST CORPORATION 644      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.