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: HSTQTX02DS4

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-954 4 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-08-13   
281-957 A Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-957 5 Kemah TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-962 0 Sheldon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2007-03-24   
281-962 1 Sheldon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-02-12   
281-962 4 Sheldon TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-22   
281-968 A Alvin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-968 0 Alvin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-02-05   
281-968 2 Alvin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-02-11   
281-968 3 Alvin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-03-03   
281-968 4 Alvin TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 A Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 0 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 1 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 2 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 3 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 4 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 5 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 6 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-971 9 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-973 A Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-973 0 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-11   
281-973 2 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-973 4 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2003-06-14   
281-973 5 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-28   
281-973 6 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-28   
281-973 7 Humble TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-05-28   
281-975 A Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-04-07   
281-975 0 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-975 1 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-975 2 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-975 4 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-975 5 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-975 6 Bammel TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-978 2 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-12-06   
281-978 4 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-04-30   
281-990 1 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-05-13   
346-203 8 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-05-16   
346-223 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-223 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-03-21   
346-224 7 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-29   
346-229 A Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-229 2 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-229 3 Houston Suburban TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-231 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-13   
346-231 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-231 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-08-14   
346-237 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-237 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-241 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-257 A Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-257 2 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-07-06   
346-257 6 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-10-14   
346-279 2 Sugar Land TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-02-04   
346-293 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-10-17   
346-307 9 Katy TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-01-22   
346-308 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   
346-308 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2015-12-06   
346-309 3 Sugar Land TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-319 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-320 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-320 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-10-15   
346-330 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-03-20   
346-335 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-07-07   
346-335 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-06-02   
346-335 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-10-13   
346-353 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-04-13   
346-354 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-12-01   
346-356 A Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
346-356 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 3 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 4 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 5 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 6 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 7 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 8 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-356 9 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2018-09-13   
346-358 5 League City TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-03-22   
346-382 9 Spring TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2019-05-03   
346-426 0 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-04-09   
346-426 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-04-09   
346-427 4 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 5 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 6 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-427 7 Apollo TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2021-01-08   
346-444 1 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-09-01   
346-444 2 Houston TX 6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2014-09-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.