Local Calling Guide

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NPA: 837 [Rate centres in NPA 837] [Dial plan for NPA 837]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
837-666 A Auburn: Main DA CA   649C ONVOY, LLC - CA 726   2026-12-05   
837-666 0 Auburn: Main DA CA   649C ONVOY, LLC - CA 726   2026-12-05   
837-666 1 Auburn: Main DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2026-12-07   
837-666 2 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2026-12-07   
837-666 3 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2026-12-07   
837-666 4 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2026-12-07   
837-666 5 Auburn: Main DA CA   6529 T-MOBILE USA, INC. 726   2026-12-07   
837-666 6 Auburn: Main DA CA   649C ONVOY, LLC - CA 726   2026-12-05   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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