Local Calling Guide

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Santa Cruz, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
831-440 0 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 1 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 2 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 4 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 5 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-440 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-19   
831-440 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-01-28   
831-440 9 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-454 A SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 0 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 1 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 2 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 3 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 4 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 5 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-12-01   
831-454 7 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-454 8 OKLDCA03XOY  394L COMCAST PHONE OF CALIFORNIA, LLC 722   2006-05-01   
831-454 9 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-457 A SNCZCA01DS0  9740 PACIFIC BELL 722      
831-458 A SNCZCA01DS0  9740 PACIFIC BELL 722      
831-459 A SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 A SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 0 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 1 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 2 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 3 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 4   649C ONVOY, LLC - CA 722   2026-08-17   
831-460 5 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2005-11-28   
831-460 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
831-460 7 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 8 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-460 9 SNCZCA01DS0  9740 PACIFIC BELL 722      
831-461 A SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 0 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 1 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 2 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 3 SNFCCAMKX9X  073H TELNYX LLC 722   2020-11-22   
831-461 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-07-21   
831-461 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-04-12   
831-461 6 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 7 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-461 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-10-25   
831-461 9 SCVYCA01DS0  9740 PACIFIC BELL 722      
831-462 A SNCZCA11DS0  9740 PACIFIC BELL 722      
831-464 A SNCZCA11DS0  9740 PACIFIC BELL 722      
831-465 A SNCZCA11DS0  9740 PACIFIC BELL 722      
831-465 0 SNCZCA11DS0  9740 PACIFIC BELL 722      

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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