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.

Switch: HSTNTX01X7X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-204 9 Apollo TX 516C AT&T CORP. 560   2011-06-16   
281-245 6 Alvin TX 516C AT&T CORP. 560   2006-06-30   
281-315 5 Bammel TX 516C AT&T CORP. 560   2015-07-17   
281-323 4 Spring EMS TX 516C AT&T CORP. 560   2006-07-07   
281-402 5 La Porte TX 516C AT&T CORP. 560   2006-06-30   
281-533 4 Valley Lodge TX 516C AT&T CORP. 560   2011-02-05   
281-547 8 Tomball TX 516C AT&T CORP. 560   2006-07-07   
281-581 6 Liverpool TX 516C AT&T CORP. 560   2006-06-30   
281-653 2 Satsuma TX 516C AT&T CORP. 560   2006-07-07   
281-653 9 Satsuma TX 516C AT&T CORP. 560   2010-03-03   
281-676 4 Barker TX 516C AT&T CORP. 560   2006-06-30   
281-676 8 Barker TX 516C AT&T CORP. 560   2009-12-29   
281-746 A Cypress TX 516C AT&T CORP. 560      
281-746 2 Cypress TX 516C AT&T CORP. 560   2009-12-23   
281-746 7 Cypress TX 516C AT&T CORP. 560   2006-06-30   
281-758 5 Cypress TX 516C AT&T CORP. 560   2010-09-16   
281-771 A Spring TX 516C AT&T CORP. 560      
281-771 5 Spring TX 516C AT&T CORP. 560   2014-07-09   
281-783 5 Sheldon TX 516C AT&T CORP. 560   2011-02-05   
281-809 3 Houston Suburban TX 516C AT&T CORP. 560   2009-06-03   
281-809 5 Houston Suburban TX 516C AT&T CORP. 560   2009-09-30   
281-809 8 Houston Suburban TX 516C AT&T CORP. 560   2009-12-11   
281-815 3 Langham Creek TX 516C AT&T CORP. 560   2006-06-30   
281-815 5 Langham Creek TX 516C AT&T CORP. 560   2009-11-13   
281-815 7 Langham Creek TX 516C AT&T CORP. 560   2010-04-30   
281-826 3 Tomball TX 516C AT&T CORP. 560   2009-09-29   
281-829 7 Barker TX 516C AT&T CORP. 560   2010-09-03   
281-836 5 Bammel TX 516C AT&T CORP. 560   2006-07-07   
281-836 6 Bammel TX 516C AT&T CORP. 560   2010-04-23   
281-846 6 Houston TX 516C AT&T CORP. 560   2009-12-29   
281-869 4 Westfield TX 516C AT&T CORP. 560   2012-01-05   
281-942 3 Seabrook TX 516C AT&T CORP. 560   2011-02-05   
281-954 6 Apollo TX 516C AT&T CORP. 560   2006-01-02   
281-965 3 Houston Suburban TX 516C AT&T CORP. 560   2013-07-30   
281-982 3 Westfield TX 516C AT&T CORP. 560   2007-02-15   
346-206 4 Satsuma TX 516C AT&T CORP. 560   2015-05-12   
346-207 7 Houston Suburban TX 516C AT&T CORP. 560   2015-01-20   
346-207 8 Houston Suburban TX 516C AT&T CORP. 560   2015-01-20   
346-215 4 Alvin TX 516C AT&T CORP. 560   2016-09-12   
346-218 7 Cypress TX 516C AT&T CORP. 560   2015-04-28   
346-219 5 Houston Suburban TX 516C AT&T CORP. 560   2015-04-14   
346-219 6 Houston Suburban TX 516C AT&T CORP. 560   2015-04-14   
346-224 8 Spring TX 516C AT&T CORP. 560   2015-08-31   
346-236 8 Tomball TX 516C AT&T CORP. 560   2016-09-12   
346-240 1 Houston TX 516C AT&T CORP. 560   2015-08-07   
346-240 4 Houston TX 516C AT&T CORP. 560   2015-08-07   
346-240 9 Houston TX 516C AT&T CORP. 560   2015-08-07   
346-248 A Pinehurst TX 516C AT&T CORP. 560      
346-248 5 Pinehurst TX 516C AT&T CORP. 560   2015-07-22   
346-308 5 Houston TX 516C AT&T CORP. 560   2015-11-28   

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Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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