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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-746 A East Harrisburg IA HRBGSDCORS1  9631 QWEST CORPORATION 640      
712-746 0 East Harrisburg IA SXFLSDCOTMD  221F ONVOY, LLC - IA 640      
712-746 1 East Harrisburg IA SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640      
712-746 2 East Harrisburg IA HRBGSDCORS1  9631 QWEST CORPORATION 640      
712-746 3 East Harrisburg IA SXFLSD100MD  353E YMAX COMMUNICATIONS CORP. - IA 640      
712-746 4 East Harrisburg IA SXFLSD100MD  353E YMAX COMMUNICATIONS CORP. - IA 640      
712-746 5 East Harrisburg IA SXFLSD100MD  353E YMAX COMMUNICATIONS CORP. - IA 640      
712-746 6 East Harrisburg IA SXFLSDCOTMD  221F ONVOY, LLC - IA 640      
712-746 7 East Harrisburg IA SXFLSDCHIMD  985E BANDWIDTH.COM CLEC, LLC - IA 640      
712-746 8 East Harrisburg IA SXFLSDCOTMD  221F ONVOY, LLC - IA 640      
712-746 9 East Harrisburg IA SXFLSDCOTMD  221F ONVOY, LLC - IA 640      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.