Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 516C AT&T CORP.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
831-232 5 Chualar CA SLNSCA01X5Y  736   2011-08-05   
831-237 5 Soledad CA SLNSCA01X5Y  736   2011-06-20   
831-249 A Big Sur CA SLNSCA01X5Y  736      
831-249 7 Big Sur CA SLNSCA01X5Y  736   2010-01-28   
831-265 A Hollister CA SLNSCA01X5Y  736      
831-265 7 Hollister CA SLNSCA01X5Y  736   2008-05-24   
831-272 3 Salinas CA SLNSCA01X5Y  736   2008-06-05   
831-272 6 Salinas CA SLNSCA01X5Y  736   2014-02-07   
831-290 5 Gonzales CA SLNSCA01X5Y  736   2011-09-26   
831-453 A Castroville CA SLNSCA01X5Y  736      
831-453 7 Castroville CA SLNSCA01X5Y  736   2011-03-11   
831-508 5 Felton CA SNFCCA01XGX  722   2011-09-26   
831-515 7 Santa Cruz CA SNFCCA01XGX  722   2006-07-07   
831-525 8 King City CA SLNSCA01X5Y  736   2011-09-26   
831-532 5 Ben Lomond CA SNFCCA01XGX  722   2011-09-26   
831-536 5 Watsonville CA SNFCCA01XGX  722   2007-02-26   
831-574 3 Carmel CA SLNSCA01X5Y  736   2008-06-05   
831-593 5 San Juan CA SLNSCA01X5Y  736   2011-09-26   
831-627 4 San Ardo CA SLNSCA01X5Y  736   2011-09-26   
831-628 5 Tres Pinos CA SLNSCA01X5Y  736   2011-09-26   
831-643 4 Monterey CA SLNSCA01X5Y  736   2016-07-21   
831-652 3 Carmel Valley CA SLNSCA01X5Y  736   2012-12-03   
831-708 4 Aptos CA SNFCCA01XGX  722   2008-08-22   
831-726 5 Watsonville CA SNFCCA01XGX  722   2015-06-23   
831-747 A Monterey CA SLNSCA01X5Y  736      
831-747 1 Monterey CA SLNSCA01X5Y  736   2005-05-21   
831-747 2 Monterey CA SLNSCA01X5Y  736   2014-05-13   
831-778 3 San Lucas CA SLNSCA01X5Y  736   2025-01-15   
831-796 5 Salinas CA SLNSCA01X5Y  736   2015-08-24   
831-856 8 Greenfield (Monterey) CA SLNSCA01X5Y  736   2010-11-05   
832-242 6 Houston TX HSTNTX01X7X  560   2016-10-04   
832-242 7 Houston TX HSTNTX01X7X  560   2016-10-04   
832-269 A Houston TX HSTNTX01X7X  560      
832-269 5 Houston TX HSTNTX01X7X  560   2014-07-06   
832-288 2 Houston Suburban TX HSTNTX01X7X  560   2010-01-29   
832-288 3 Houston Suburban TX HSTNTX01X7X  560   2010-01-29   
832-295 3 Houston Suburban TX HSTNTX01X7X  560   2005-04-19   
832-328 5 Houston Suburban TX HSTNTX01X7X  560   2010-05-27   
832-328 7 Houston Suburban TX HSTNTX01X7X  560   2010-08-12   
832-328 8 Houston Suburban TX HSTNTX01X7X  560   2010-08-12   
832-328 9 Houston Suburban TX HSTNTX01X7X  560   2011-09-13   
832-336 2 Manvel TX HSTNTX01X7X  560   2015-01-06   
832-376 4 Channelview TX HSTNTX01X7X  560   2006-06-30   
832-379 3 Houston Suburban TX HSTNTX01X7X  560   2011-03-18   
832-409 5 Houston TX HSTNTX01X7X  560   2010-02-26   
832-409 6 Houston TX HSTNTX01X7X  560   2010-02-26   
832-422 3 Tomball TX HSTNTX01X7X  560   2010-03-10   
832-429 3 Deer Park TX HSTNTX01X7X  560   2006-03-26   
832-449 3 Richmond-Rosenberg TX HSTNTX01X7X  560   2009-12-29   
832-451 6 Richmond-Rosenberg TX HSTNTX01X7X  560   2006-06-30   
832-458 0 Spring TX HSTNTX01X7X  560   2010-07-16   
832-458 2 Spring TX HSTNTX01X7X  560   2010-01-04   
832-480 5 Cleveland TX HSTNTX01X7X  560   2011-02-05   
832-481 9 Friendswood TX HSTNTX01X7X  560   2014-04-15   
832-491 0 Houston TX HSTNTX01X7X  560   2011-09-13   
832-491 1 Houston TX HSTNTX01X7X  560   2011-09-13   
832-516 7 Houston TX HSTNTX01X7X  560   2010-09-25   
832-516 8 Houston TX HSTNTX01X7X  560   2010-09-25   
832-516 9 Houston TX HSTNTX01X7X  560   2010-09-25   
832-521 3 Pinehurst TX HSTNTX01X7X  560   2006-06-30   
832-521 5 Pinehurst TX HSTNTX01X7X  560   2013-09-03   
832-534 8 Tomball EMS TX HSTNTX01X7X  560   2010-08-16   
832-535 3 Richmond-Rosenberg TX HSTNTX01X7X  560   2011-03-21   
832-548 1 Houston TX HSTNTX01X7X  560   2011-07-07   
832-569 2 Friendswood TX HSTNTX01X7X  560   2006-06-30   
832-582 5 Houston TX HSTNTX01X7X  560   2010-05-06   
832-582 6 Houston TX HSTNTX01X7X  560   2010-05-06   
832-585 1 Spring TX HSTNTX01X7X  560   2011-09-30   
832-593 4 Langham Creek TX HSTNTX01X7X  560   2011-01-31   
832-602 5 Bammel TX HSTNTX01X7X  560   2011-05-17   
832-637 7 Manvel TX HSTNTX01X7X  560   2007-02-15   
832-653 A Cypress TX HSTNTX01X7X  560      
832-653 5 Cypress TX HSTNTX01X7X  560   2013-05-19   
832-663 5 Spring TX HSTNTX01X7X  560   2011-03-21   
832-664 9 Houston Suburban TX HSTNTX01X7X  560   2013-06-25   
832-666 A Bammel TX HSTNTX01X7X  560      
832-666 5 Bammel TX HSTNTX01X7X  560   2014-12-25   
832-672 A Houston Suburban TX HSTNTX01X7X  560      
832-672 3 Houston Suburban TX HSTNTX01X7X  560   2014-05-23   
832-672 5 Houston Suburban TX HSTNTX01X7X  560   2014-02-23   
832-674 A Langham Creek TX HSTNTX01X7X  560      
832-674 7 Langham Creek TX HSTNTX01X7X  560   2013-09-28   
832-674 9 Langham Creek TX HSTNTX01X7X  560   2014-08-15   
832-688 5 Satsuma TX HSTNTX01X7X  560   2011-05-02   
832-717 6 Tomball TX HSTNTX01X7X  560   2011-06-17   
832-735 2 Smithers Lake TX HSTNTX01X7X  560   2006-06-30   
832-742 A Houston TX HSTNTX01X7X  560      
832-742 5 Houston TX HSTNTX01X7X  560   2013-11-19   
832-759 6 Richmond-Rosenberg TX HSTNTX01X7X  560   2015-04-14   
832-761 0 Tomball TX HSTNTX01X7X  560   2014-09-04   
832-761 1 Tomball TX HSTNTX01X7X  560   2014-02-03   
832-761 5 Tomball TX HSTNTX01X7X  560   2013-06-16   
832-764 0 Spring TX HSTNTX01X7X  560   2009-08-01   
832-781 8 Houston Suburban TX HSTNTX01X7X  560   2013-03-29   
832-791 7 Spring TX HSTNTX01X7X  560   2016-09-12   
832-793 5 Splendora TX HSTNTX01X7X  560   2011-02-05   
832-823 4 Spring TX HSTNTX01X7X  560   2014-10-13   
832-940 A Houston TX HSTNTX01X7X  560      
832-940 0 Houston TX HSTNTX01X7X  560   2014-12-03   
832-940 1 Houston TX HSTNTX01X7X  560   2014-12-03   

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Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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