Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
830-867 6 Brackettville TX   566   2012-04-15   
830-875 4 Luling TX   566   2012-04-15   
830-931 8 Castroville EMS TX   566   2010-12-23   
831-205 5 Hollister CA   736   2011-03-18   
831-222 A Felton CA SNJSCAYB0MD  722      
831-222 9 Felton CA   722      
831-233 5 Monterey CA   736   2006-06-18   
831-233 7 Monterey CA   736   2007-03-13   
831-237 6 Soledad CA   736   2013-07-08   
831-253 A Salinas CA SLNSCA01XQY  736      
831-253 7 Salinas CA   736   2021-01-18   
831-259 A Monterey CA SLNSCA01XQY  736      
831-259 7 Monterey CA   736   2022-08-12   
831-259 8 Monterey CA   736   2022-08-12   
831-263 8 King City CA   736   2016-01-07   
831-267 A Big Sur CA SLNSCA01XQY  736      
831-267 7 Big Sur CA   736   2007-02-02   
831-270 A Salinas CA SLNSCA01XQY  736      
831-270 4 Salinas CA   736   2022-08-12   
831-270 7 Salinas CA   736   2022-08-12   
831-287 2 Salinas CA   736   2011-09-01   
831-287 3 Salinas CA   736   2013-09-20   
831-290 A Gonzales CA SLNSCA01XQY  736      
831-324 6 Monterey CA   736   2012-01-12   
831-406 6 Watsonville CA   722   2011-12-12   
831-515 A Santa Cruz CA SNJSCAYB0MD  722      
831-515 0 Santa Cruz CA   722      
831-574 A Carmel CA SLNSCA01XQY  736      
831-574 4 Carmel CA   736   2013-02-01   
831-600 A Santa Cruz CA SNJSCAYB0MD  722      
831-600 1 Santa Cruz CA   722      
831-600 2 Santa Cruz CA   722      
831-600 3 Santa Cruz CA   722      
831-600 4 Santa Cruz CA   722      
831-600 9 Santa Cruz CA   722      
831-607 3 Aptos CA   722   2009-07-04   
831-627 8 San Ardo CA   736   2016-03-20   
831-705 A Chualar CA SLNSCA01XQY  736      
831-705 2 Chualar CA   736   2012-02-05   
831-707 2 Watsonville CA   722   2005-12-05   
831-737 A Salinas CA SLNSCA01XQY  736      
831-737 1 Salinas CA   736   2006-05-19   
831-789 8 Salinas CA   736   2008-10-16   
832-223 9 Richmond-Rosenberg EMS TX   560   2007-12-01   
832-224 A Apollo TX HSTNTXPB6MD  560      
832-224 0 Apollo TX   560      
832-240 A Apollo TX HSTNTXPB6MD  560      
832-253 A Bammel TX HSTNTXPB6MD  560      
832-253 1 Bammel TX   560      
832-253 9 Bammel TX   560      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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