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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-520 A Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 0 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 1 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 2 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 3 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 4 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 5 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 6 Glenwood IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-520 7 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 8 Glenwood IA CRRLIAAF0MD  6266 UNITED STATES CELLULAR - IA 644      
712-520 9 Glenwood IA   593K MCC TELEPHONY LLC 644      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.