Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
817-761 A Alvarado TX FTWOTXEDDS4  552      
817-761 2 Alvarado TX FTWOTXEDDS4  552      
817-785 4 Euless TX FTWOTXEDDS4  552   2008-05-01   
817-807 A Arlington TX FTWOTXEDDS4  552      
817-807 4 Arlington TX FTWOTXEDDS4  552      
817-807 9 Arlington TX FTWOTXEDDS4  552      
818-263 A Van Nuys CA SHOKCA02DS2  730      
818-263 8 Van Nuys CA SHOKCA02DS2  730      
818-336 3 San Fernando: San Fernando DA CA SHOKCA02DS2  730   2003-02-09   
818-477 A Northridge CA SHOKCA02DS2  730      
818-477 9 Northridge CA SHOKCA02DS2  730      
818-484 A Glendale CA SHOKCA02DS3  730      
818-484 9 Glendale CA SHOKCA02DS3  730      
818-661 5 Agoura CA SHOKCA02DS2  730   2001-10-10   
818-931 A Glendale CA SHOKCA02DS3  730      
818-931 0 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 1 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 2 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 3 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 4 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 5 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 6 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 7 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 8 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-931 9 Glendale CA SHOKCA02DS3  730   2008-01-07   
818-936 A Canoga Park CA SHOKCA02DS2  730      
818-936 1 Canoga Park CA SHOKCA02DS2  730      
818-936 2 Canoga Park CA SHOKCA02DS2  730      
818-936 3 Canoga Park CA SHOKCA02DS2  730      
818-936 7 Canoga Park CA SHOKCA02DS2  730      
826-243 A Bluemont VA LSBGVA10YMD  246   2024-05-27   
826-243 9 Bluemont VA LSBGVA10YMD  246   2024-05-27   
826-257 A Raphine VA   244   2025-04-07   
826-257 9 Raphine VA   244   2025-04-07   
826-258 A Weyers Cave VA   927   2025-04-14   
826-258 9 Weyers Cave VA   927   2025-04-14   
828-492 A Canton NC AHVLNCATX1X  420      
828-492 9 Canton NC AHVLNCATX1X  420      
828-878 A Claremont NC CHRLNCCAYUX  422      
828-878 9 Claremont NC CHRLNCCAYUX  422   2022-08-29   
830-316 A Marion TX SNANTXCA93Z  566      
830-316 9 Marion TX SNANTXCA93Z  566   2021-06-17   
831-223 5 Soledad CA SLNSCA01X1X  736   2006-11-17   
831-241 A Monterey CA SLNSCA01X1X  736      
831-241 9 Monterey CA SLNSCA01X1X  736      
831-675 4 Gonzales CA SLNSCA01X1X  736   2013-05-01   
831-676 A Salinas CA SLNSCA01X1X  736      
831-676 9 Salinas CA SLNSCA01X1X  736      
832-261 A Seabrook TX HSTNTX01DS2  560      
832-261 2 Seabrook TX HSTNTX01DS2  560      

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

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