Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 7421 AT&T - LOCAL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-577 7 Houston TX HSTNTX01DS2  560      
713-577 8 Houston TX HSTNTX01DS2  560      
714-232 4 Buena Park CA LSANCA02DS1  730   2002-04-17   
714-244 1 Orange CA LSANCA02DS1  730      
714-383 6 Garden Grove CA LSANCA02DS1  730   2001-07-25   
714-451 3 Fullerton CA LSANCA03DS0  730   2002-02-25   
714-472 2 Santa Ana CA GRDNCA02DS3  730   2008-08-04   
714-510 9 Brea CA LSANCA02DS1  730      
714-618 9 Anaheim CA LSANCA02DS1  730      
714-653 7 Westminster CA LNBHCAXJ2MD  730   2002-03-11   
714-886 4 Cypress CA GRDNCA02DS3  730   2004-07-20   
714-913 2 Santa Ana CA LSANCA02DS1  730      
714-913 9 Santa Ana CA LSANCA02DS1  730      
714-947 A Cypress CA GRDNCA02DS3  730      
714-947 9 Cypress CA GRDNCA02DS3  730      
715-301 4 Wausau WI GNBYWIATNMD  350   2007-02-02   
715-844 A Waupaca WI   350   2024-02-26   
715-844 9 Waupaca WI   350   2024-02-26   
715-936 A Ellsworth WI   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 BFLONYFRBMD  140      
716-319 3 Buffalo NY BFLONYFRBMD  140      
716-319 9 Buffalo NY BFLONYFRBMD  140      
716-442 A Akron NY BFLONYFRBMD  140      
716-442 4 Akron NY BFLONYFRBMD  140   2003-11-21   
716-650 A Williamsville NY BFLONYFRBMD  140      
716-650 6 Williamsville NY BFLONYFRBMD  140      
716-650 9 Williamsville NY BFLONYFRBMD  140      
716-670 A Derby NY BFLONYFRBMD  140      
716-670 9 Derby NY BFLONYFRBMD  140   2012-09-19   
716-740 A Orchard Park NY BFLONYFRBMD  140      
716-740 5 Orchard Park NY BFLONYFRBMD  140      
716-790 A Olean NY BFLONYFRBMD  140      
716-790 7 Olean NY BFLONYFRBMD  140      
717-202 6 Lebanon PA HRBGPAHAX9X  226   2003-10-21   
717-207 1 Lancaster PA HRBGPAHAX9X  226   2011-04-21   
717-363 5 Lewistown (Mifflin) PA HRBGPAHAX9X  226   2005-10-24   
717-387 4 Waynesboro PA HRBGPAHAX9X  226   2005-10-24   
717-388 A Middletown (Dauphin) PA HRBGPAHAX9X  226      
717-388 9 Middletown (Dauphin) PA HRBGPAHAX9X  226   2002-11-21   
717-412 A Harrisburg City Zone-1 PA HRBGPAHAX9X  226      
717-412 5 Harrisburg City Zone-1 PA HRBGPAHAX3Y  226   2005-07-11   
717-412 9 Harrisburg City Zone-1 PA HRBGPAHAX9X  226      
717-433 A Harrisburg City Zone-1 PA HRBGPAHAX3Y  226      
717-433 9 Harrisburg City Zone-1 PA HRBGPAHAX3Y  226      
717-473 2 Palmyra PA HRBGPAHAX9X  226   2005-04-07   
717-496 2 Chambersburg PA HRBGPAHAX9X  226   2004-02-01   
717-524 3 Hanover (York) PA HRBGPAHAX9X  226   2004-02-01   
717-547 7 Harrisburg City Zone-1 PA HRBGPAHAX3Y  226   2012-07-23   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.