Local Calling Guide

Area code/prefix search

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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-999 0 Santa Cruz CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-06-08   
831-999 1 Santa Cruz CA   649C ONVOY, LLC - CA 722   2016-07-18   
831-999 2 Santa Cruz CA   649C ONVOY, LLC - CA 722   2016-07-18   
831-999 3 Santa Cruz CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-22   
831-999 4 Santa Cruz CA   321J HD CARRIER LLC 722   2016-06-13   
831-999 5 Santa Cruz CA   321J HD CARRIER LLC 722   2016-06-17   
831-999 6 Santa Cruz CA   321J HD CARRIER LLC 722   2016-06-13   
831-999 7 Santa Cruz CA   649C ONVOY, LLC - CA 722   2016-05-29   
831-999 8 Santa Cruz CA   649C ONVOY, LLC - CA 722   2016-05-29   
831-999 9 Santa Cruz CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-05-28   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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