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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-443 A Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
971-443 0 Salem OR PTLDOR13XMX  490J DISH WIRELESS, LLC 672   2023-06-18   
971-443 1 Salem OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2023-03-20   
971-443 2 Salem OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2025-01-23   
971-443 3 Salem OR   145J TERRA NOVA TELECOM INC. 672   2023-03-05   
971-443 4 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2023-05-14   
971-443 5 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2023-05-14   
971-443 6 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2023-05-14   
971-443 7 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2023-05-14   
971-443 8 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2023-03-04   
971-443 9 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2023-03-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.