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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-330 A Houston Suburban TX 6664 SPRINT SPECTRUM L.P. 560      
281-409 4 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-02-18   
281-451 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
281-515 7 Baytown TX 6664 SPRINT SPECTRUM L.P. 560   2007-03-07   
281-541 A Spring TX 6664 SPRINT SPECTRUM L.P. 560      
281-608 A Humble TX 6664 SPRINT SPECTRUM L.P. 560      
281-608 0 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-20   
281-608 1 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2006-10-09   
281-608 2 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-20   
281-608 3 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-20   
281-608 4 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-20   
281-608 9 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2006-10-09   
281-623 2 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2017-12-31   
281-623 3 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2017-12-31   
281-623 6 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2018-04-03   
281-623 7 Humble TX 6664 SPRINT SPECTRUM L.P. 560   2018-04-03   
281-642 A Houston Suburban TX 6664 SPRINT SPECTRUM L.P. 560      
281-691 7 Baytown TX 6664 SPRINT SPECTRUM L.P. 560   2006-01-15   
281-691 8 Baytown TX 6664 SPRINT SPECTRUM L.P. 560   2006-01-15   
281-739 4 Baytown TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-06   
281-739 5 Baytown TX 6664 SPRINT SPECTRUM L.P. 560   2007-07-06   
281-763 0 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-03-10   
281-763 1 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-03-10   
281-763 3 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-05-19   
281-763 4 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-05-19   
281-763 5 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-05-19   
281-763 6 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-05-19   
281-763 8 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-02-18   
281-763 9 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-02-18   
281-780 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
281-780 0 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-07-11   
281-780 1 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 2 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 3 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 4 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 5 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 6 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-07-09   
281-780 7 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2006-07-09   
281-780 8 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-780 9 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2007-12-18   
281-788 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
281-802 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
281-804 A Houston TX 6664 SPRINT SPECTRUM L.P. 560      
281-806 2 Cleveland TX 6664 SPRINT SPECTRUM L.P. 560   2007-10-08   
281-806 6 Cleveland TX 6664 SPRINT SPECTRUM L.P. 560   2008-02-18   
281-808 A Apollo TX 6664 SPRINT SPECTRUM L.P. 560      
281-830 A Houston Suburban TX 6664 SPRINT SPECTRUM L.P. 560      
281-831 A Houston Suburban TX 6664 SPRINT SPECTRUM L.P. 560      
281-832 2 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-03-10   
281-832 3 Houston TX 6664 SPRINT SPECTRUM L.P. 560   2008-03-10   

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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