Local Calling Guide

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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
831-630 0 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 1 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 2 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 3 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 4 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2020-06-08   
831-630 5 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 6 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-630 7 Hollister CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-05-16   
831-630 8 Hollister CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2020-06-08   
831-630 9 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-632 A Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 0 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 1 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 2 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 3 Castroville CA MTRYCAPMDS0  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2024-12-12   
831-632 4 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-632 5 Castroville CA   792K CHARTER IP ENABLED SERVICES, LLC 736   2017-11-04   
831-632 6 Castroville CA   145J TERRA NOVA TELECOM INC. 736   2021-01-12   
831-632 7 Castroville CA SLNSCA01XGX  9262 UTILITY TELECOM GROUP, LLC - CA 736   2006-06-14   
831-632 9 Castroville CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-28   
831-633 A Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 0 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 1 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 2 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 3 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 4 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 5 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 6 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-633 7 Castroville CA CSVLCA11RS0  9740 PACIFIC BELL 736      
831-634 A Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 0 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 1 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 2 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 3 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 4 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 5 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 6 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 7 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-634 8 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 A Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 0 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 1 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 2 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 3 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 4 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 5 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 6 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 7 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      
831-635 8 Hollister CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-01-05   
831-635 9 Hollister CA HLSTCA11DS0  9740 PACIFIC BELL 736      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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