Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 279 [Rate centres in NPA 279] [Dial plan for NPA 279]

NXX: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
279-212 A Michigan Bar CA SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
279-212 0 Michigan Bar CA   073H TELNYX LLC 726   2021-06-10   
279-212 1 Michigan Bar CA   649C ONVOY, LLC - CA 726   2021-07-12   
279-212 2 Michigan Bar CA   649C ONVOY, LLC - CA 726   2021-08-08   
279-212 4 Michigan Bar CA   624H ONVOY SPECTRUM, LLC 726   2021-11-07   
279-212 5 Michigan Bar CA   624H ONVOY SPECTRUM, LLC 726   2021-11-07   
279-212 6 Michigan Bar CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-02-19   
279-212 7 Michigan Bar CA   624H ONVOY SPECTRUM, LLC 726   2021-07-23   
279-212 8 Michigan Bar CA   425J CSC WIRELESS, LLC 726   2021-10-30   
279-212 9 Michigan Bar CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2021-05-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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