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.

Armstrong, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-206 A ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-206 0   624H ONVOY SPECTRUM, LLC 630      
712-206 1   6529 T-MOBILE USA, INC. 630      
712-206 2 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 3 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 4 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 7 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 8 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-206 9 ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-864 A ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-864 0 DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 630      
712-864 1 ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-864 3 ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-864 4 SXCYIA78XDX  5562 METROPCS, INC. 630      
712-864 6 SXCYIADTQMD  508J CENTURYLINK COMMUNICATIONS, LLC 630      
712-864 7 ARMSIAXPPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 630      
712-864 8 RCCYIAXCHMD  221F ONVOY, LLC - IA 630      
712-868 A ARMSIAXODS0  7215 INDEPENDENT NETWORKS, LLC 630      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.