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
831-515 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   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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