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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-206 A Armstrong IA ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-206 0 Armstrong IA   624H ONVOY SPECTRUM, LLC 630      
712-206 1 Armstrong IA   6529 T-MOBILE USA, INC. 630      
712-206 2 Armstrong IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 3 Armstrong IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 4 Armstrong IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 7 Armstrong IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 8 Armstrong IA RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 9 Armstrong IA ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.