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
706-979 9 Calhoun GA   438      
708-498 5 Bellwood IL   358   2011-03-19   
708-552 9 Summit IL   358      
708-725 7 Oak Park IL   358   2001-06-19   
712-389 A Sioux City IA SXCYIAAT2MD  630      
712-389 9 Sioux City IA   630      
712-491 A Alta IA   630   2025-11-07   
712-491 9 Alta IA   630   2025-11-07   
713-577 A Houston TX HSTNTX01DS2  560      
713-577 0 Houston TX   560      
713-577 1 Houston TX   560      
713-577 2 Houston TX   560      
713-577 3 Houston TX   560      
713-577 4 Houston TX   560      
713-577 5 Houston TX   560      
713-577 6 Houston TX   560      
713-577 7 Houston TX   560      
713-577 8 Houston TX   560      
715-844 A Waupaca WI GNBYWIATX0X  350   2024-02-26   
715-844 9 Waupaca WI   350   2024-02-26   
715-936 A Ellsworth WI EUCLWIATPMD  352   2024-02-27   
715-936 9 Ellsworth WI   352   2024-02-27   
716-319 A Buffalo NY BFLONYFRBMD  140      
716-319 1 Buffalo NY   140      
716-319 3 Buffalo NY   140      
716-319 9 Buffalo NY   140      
716-442 A Akron NY BFLONYFRBMD  140      
716-442 4 Akron NY   140   2003-11-21   
716-650 A Williamsville NY BFLONYFRBMD  140      
716-650 6 Williamsville NY   140      
716-650 9 Williamsville NY   140      
716-670 A Derby NY BFLONYFRBMD  140      
716-670 9 Derby NY   140   2012-09-19   
716-790 A Olean NY BFLONYFRBMD  140      
716-790 7 Olean NY   140      
717-433 A Harrisburg City Zone-1 PA HRBGPAHAX3Y  226      
717-433 9 Harrisburg City Zone-1 PA   226      
719-235 A Colorado Springs-Main CO CLSPCOMADS5  658      
719-235 4 Colorado Springs-Main CO   658      
719-235 9 Colorado Springs-Main CO   658      
719-692 A Cripple Creek CO CLSPCOMAXFZ  658      
719-692 9 Cripple Creek CO   658   2022-11-14   
719-799 A Colorado Springs-Main CO CLSPCOMADS5  658      
719-799 1 Colorado Springs-Main CO   658      
719-799 2 Colorado Springs-Main CO   658      
719-799 4 Colorado Springs-Main CO   658      
720-307 A Allens Park-Lyons CO DNVRCOMAXYZ  656      
720-307 9 Allens Park-Lyons CO   656   2012-09-27   
720-342 0 Denver CO   656   2009-06-06   
720-342 1 Denver CO   656   2009-06-06   

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

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