Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-818 A Aurora OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
971-818 0 Aurora OR PTLDOR13XMX  490J DISH WIRELESS, LLC 672   2023-06-18   
971-818 1 Aurora OR PTLDOR13XMX  490J DISH WIRELESS, LLC 672   2024-07-02   
971-818 2 Aurora OR PTLDOR13XMX  490J DISH WIRELESS, LLC 672   2024-10-01   
971-818 8 Aurora OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672   2022-05-09   
971-818 9 Aurora OR   490J DISH WIRELESS, LLC 672   2025-06-02   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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