Local Calling Guide

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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
837-200 A North Tahoe: Tahoe City DA CA   649C ONVOY, LLC - CA 726   2026-10-30   
837-200 3 North Tahoe: Tahoe City DA CA   649C ONVOY, LLC - CA 726   2026-10-30   
837-200 4 North Tahoe: Tahoe City DA CA   649C ONVOY, LLC - CA 726   2026-10-30   
837-222 A Red Bluff CA   824J OPENTACT INC. 724   2026-10-24   
837-222 2 Red Bluff CA   824J OPENTACT INC. 724   2026-10-24   
837-333 A Redding CA   114J EXIANT COMMUNICATIONS LLC 724   2026-10-24   
837-333 3 Redding CA   114J EXIANT COMMUNICATIONS LLC 724   2026-10-24   
837-444 A Chico CA   114J EXIANT COMMUNICATIONS LLC 724   2026-10-24   
837-444 4 Chico CA   114J EXIANT COMMUNICATIONS LLC 724   2026-10-24   
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   
837-776 A Redding CA   649C ONVOY, LLC - CA 724   2026-10-25   
837-776 7 Redding CA   649C ONVOY, LLC - CA 724   2026-10-25   
837-777 A Truckee CA   252F WIDE VOICE, LLC - CA 726   2026-10-24   
837-777 7 Truckee CA   252F WIDE VOICE, LLC - CA 726   2026-10-24   
837-777 8 Truckee CA   252F WIDE VOICE, LLC - CA 726   2026-10-24   
837-777 9 Truckee CA   649C ONVOY, LLC - CA 726   2026-10-26   
837-800 A Homewood CA   649C ONVOY, LLC - CA 726   2026-12-06   
837-800 0 Homewood CA   649C ONVOY, LLC - CA 726   2026-12-06   
837-837 A Hornbrook CA   649C ONVOY, LLC - CA 724   2026-12-06   
837-837 7 Hornbrook CA   649C ONVOY, LLC - CA 724   2026-12-06   
837-837 8 Hornbrook CA   649C ONVOY, LLC - CA 724   2026-12-06   
837-888 A Shingle Springs CA   649C ONVOY, LLC - CA 726   2026-10-25   
837-888 8 Shingle Springs CA   649C ONVOY, LLC - CA 726   2026-10-25   
837-999 A Nevada City CA   252F WIDE VOICE, LLC - CA 726   2026-10-26   
837-999 1 Nevada City CA   252F WIDE VOICE, LLC - CA 726   2026-10-26   
837-999 9 Nevada City CA   252F WIDE VOICE, LLC - CA 726   2026-10-26   

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

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