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.
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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
281-533 4 Valley Lodge TX HSTNTX01X7X  560   2011-02-05   
281-547 8 Tomball TX HSTNTX01X7X  560   2006-07-07   
281-581 6 Liverpool TX HSTNTX01X7X  560   2006-06-30   
281-653 2 Satsuma TX HSTNTX01X7X  560   2006-07-07   
281-653 9 Satsuma TX HSTNTX01X7X  560   2010-03-03   
281-676 4 Barker TX HSTNTX01X7X  560   2006-06-30   
281-676 8 Barker TX HSTNTX01X7X  560   2009-12-29   
281-746 A Cypress TX HSTNTX01X7X  560      
281-746 2 Cypress TX HSTNTX01X7X  560   2009-12-23   
281-746 7 Cypress TX HSTNTX01X7X  560   2006-06-30   
281-758 5 Cypress TX HSTNTX01X7X  560   2010-09-16   
281-771 A Spring TX HSTNTX01X7X  560      
281-771 5 Spring TX HSTNTX01X7X  560   2014-07-09   
281-783 5 Sheldon TX HSTNTX01X7X  560   2011-02-05   
281-809 3 Houston Suburban TX HSTNTX01X7X  560   2009-06-03   
281-809 5 Houston Suburban TX HSTNTX01X7X  560   2009-09-30   
281-809 8 Houston Suburban TX HSTNTX01X7X  560   2009-12-11   
281-815 3 Langham Creek TX HSTNTX01X7X  560   2006-06-30   
281-815 5 Langham Creek TX HSTNTX01X7X  560   2009-11-13   
281-815 7 Langham Creek TX HSTNTX01X7X  560   2010-04-30   
281-826 3 Tomball TX HSTNTX01X7X  560   2009-09-29   
281-829 7 Barker TX HSTNTX01X7X  560   2010-09-03   
281-836 5 Bammel TX HSTNTX01X7X  560   2006-07-07   
281-836 6 Bammel TX HSTNTX01X7X  560   2010-04-23   
281-846 6 Houston TX HSTNTX01X7X  560   2009-12-29   
281-869 4 Westfield TX HSTNTX01X7X  560   2012-01-05   
281-942 3 Seabrook TX HSTNTX01X7X  560   2011-02-05   
281-954 6 Apollo TX HSTNTX01X7X  560   2006-01-02   
281-965 3 Houston Suburban TX HSTNTX01X7X  560   2013-07-30   
281-982 3 Westfield TX HSTNTX01X7X  560   2007-02-15   
305-690 7 North Dade FL MIAMFLACUMD  46017   2014-06-18   
305-741 A Keys FL MIAMFLACUMD  46017      
305-741 7 Keys FL MIAMFLACUMD  46017   2009-09-26   
305-916 A Keys FL MIAMFLACUMD  46017      
305-916 5 Keys FL MIAMFLACUMD  46017   2014-05-16   
305-964 5 Perrine FL MIAMFLACUMD  46017   2011-01-18   
305-974 2 North Dade FL MIAMFLACUMD  46017   2010-10-15   
309-228 5 Farmington IL PEORILPJXOY  368   2011-08-22   
309-400 A Rock Island IL DVNPIADTX5Y  634   2024-12-10   
309-400 7 Rock Island IL DVNPIADTX5Y  634   2024-12-10   
309-425 A Fiatt IL PEORILPJXOY  368      
309-425 7 Fiatt IL PEORILPJXOY  368   2012-04-16   
309-435 A Canton IL PEORILPJXOY  368      
309-435 7 Canton IL PEORILPJXOY  368   2010-11-15   
309-518 3 Lewistown IL PEORILPJXOY  368   2011-08-22   
309-632 5 Delavan IL PEORILPJXOY  368   2024-08-12   
309-643 A Peoria IL PEORILPJXOY  368      
309-643 1 Peoria IL PEORILPJXOY  368   2005-05-22   
309-704 8 Trivoli IL PEORILPJXOY  368   2023-10-02   
309-850 3 Illinois City IL   634   2025-04-07   

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

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