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: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-671 A Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-671 1 Knappa OR HMTNOR210MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 672   2022-07-24   
971-671 2 Knappa OR PTLDOR13XGX  506J TWILIO INTERNATIONAL, INC. 672   2021-01-15   
971-671 4 Knappa OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2021-09-18   
971-671 6 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-03-28   
971-671 7 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-03-28   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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