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: HSTNTXMOX7X

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-201 2 Sugar Land TX 318J COMCAST IP PHONE, LLC 560   2011-07-15   
281-201 8 Sugar Land TX 318J COMCAST IP PHONE, LLC 560   2011-09-30   
281-205 7 Tomball TX 318J COMCAST IP PHONE, LLC 560   2011-09-30   
281-206 7 Barker TX 318J COMCAST IP PHONE, LLC 560   2012-10-26   
281-208 7 Stafford TX 318J COMCAST IP PHONE, LLC 560   2013-08-11   
281-213 2 Cypress EMS TX 318J COMCAST IP PHONE, LLC 560   2007-02-28   
281-213 4 Cypress EMS TX 318J COMCAST IP PHONE, LLC 560   2008-02-14   
281-258 4 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2013-09-12   
281-272 6 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2017-02-02   
281-302 5 Sugar Land TX 318J COMCAST IP PHONE, LLC 560   2006-08-01   
281-302 6 Sugar Land TX 318J COMCAST IP PHONE, LLC 560   2005-06-01   
281-304 2 Cypress EMS TX 318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-318 7 Humble TX 318J COMCAST IP PHONE, LLC 560   2009-03-29   
281-339 7 Kemah TX 318J COMCAST IP PHONE, LLC 560   2012-11-02   
281-346 8 Valley Lodge EMS TX 318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-362 5 Spring EMS TX 318J COMCAST IP PHONE, LLC 560   2006-12-05   
281-369 7 Rosharon EMS TX 318J COMCAST IP PHONE, LLC 560   2008-04-21   
281-372 6 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2006-02-19   
281-372 8 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2013-07-26   
281-375 9 Brookshire EMS TX 318J COMCAST IP PHONE, LLC 560   2016-11-18   
281-396 4 Katy EMS TX 318J COMCAST IP PHONE, LLC 560   2012-06-01   
281-397 1 Bammel TX 318J COMCAST IP PHONE, LLC 560   2012-10-26   
281-399 3 Splendora EMS TX 318J COMCAST IP PHONE, LLC 560   2020-08-31   
281-406 8 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2014-11-22   
281-416 4 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2006-04-18   
281-416 5 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2007-02-21   
281-462 4 Crosby TX 318J COMCAST IP PHONE, LLC 560   2005-11-01   
281-462 7 Crosby TX 318J COMCAST IP PHONE, LLC 560   2007-02-16   
281-466 2 Spring EMS TX 318J COMCAST IP PHONE, LLC 560   2005-04-15   
281-501 A Houston TX 318J COMCAST IP PHONE, LLC 560      
281-501 0 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-02-14   
281-501 1 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-02-14   
281-501 2 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-02-14   
281-501 3 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-02-14   
281-501 8 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-10-15   
281-501 9 Houston TX 318J COMCAST IP PHONE, LLC 560   2007-08-26   
281-502 3 Highlands TX 318J COMCAST IP PHONE, LLC 560   2014-09-04   
281-505 1 Katy TX 318J COMCAST IP PHONE, LLC 560   2019-10-20   
281-506 7 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2013-07-26   
281-506 8 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2007-03-29   
281-525 4 League City TX 318J COMCAST IP PHONE, LLC 560   2014-08-01   
281-525 6 League City TX 318J COMCAST IP PHONE, LLC 560   2014-04-04   
281-525 7 League City TX 318J COMCAST IP PHONE, LLC 560   2014-04-04   
281-529 6 Houston Suburban TX 318J COMCAST IP PHONE, LLC 560   2011-09-30   
281-532 6 Kemah TX 318J COMCAST IP PHONE, LLC 560   2013-08-11   
281-545 4 Smithers Lake TX 318J COMCAST IP PHONE, LLC 560   2015-01-28   
281-549 4 Kemah TX 318J COMCAST IP PHONE, LLC 560   2008-03-16   
281-549 6 Kemah TX 318J COMCAST IP PHONE, LLC 560   2011-08-06   
281-549 7 Kemah TX 318J COMCAST IP PHONE, LLC 560   2014-10-19   
281-570 2 Humble TX 318J COMCAST IP PHONE, LLC 560   2005-11-21   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.