Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-317 A Kirkland IL DKLBILXAXCX  495J STRATUS NETWORKS 364      
779-317 1 Kirkland IL DKLBILXAXCX  495J STRATUS NETWORKS 364   2020-11-18   
779-317 2 Kirkland IL DKLBILXAXEX  624H ONVOY SPECTRUM, LLC 364   2023-07-06   
779-317 3 Kirkland IL DIXNILXA4MD  224C ONVOY, LLC 364   2021-02-12   
779-317 8 Kirkland IL DIXNILXA4MD  224C ONVOY, LLC 364   2021-08-12   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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