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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-677 A Mill City OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
971-677 0 Mill City OR PTLDORWAX7Y  073H TELNYX LLC 672   2022-10-13   
971-677 1 Mill City OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2025-01-23   
971-677 7 Mill City OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672   2022-04-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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