Local Calling Guide

Area code/prefix search

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

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-440 A Santa Cruz CA SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 0 Santa Cruz CA   9740 PACIFIC BELL 722      
831-440 1 Santa Cruz CA   9740 PACIFIC BELL 722      
831-440 2 Santa Cruz CA   9740 PACIFIC BELL 722      
831-440 3 Santa Cruz CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 4 Santa Cruz CA   9740 PACIFIC BELL 722      
831-440 5 Santa Cruz CA   9740 PACIFIC BELL 722      
831-440 6 Santa Cruz CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-19   
831-440 7 Santa Cruz CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 8 Santa Cruz CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 9 Santa Cruz CA   9740 PACIFIC BELL 722      

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

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