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.

Westfield, TX

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-209 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-209 0   9533 SOUTHWESTERN BELL 560      
281-209 1   9533 SOUTHWESTERN BELL 560      
281-209 2   9533 SOUTHWESTERN BELL 560      
281-209 3   9533 SOUTHWESTERN BELL 560      
281-209 4   9533 SOUTHWESTERN BELL 560      
281-209 5   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-29   
281-209 6   9533 SOUTHWESTERN BELL 560      
281-209 7   9533 SOUTHWESTERN BELL 560      
281-209 8   9533 SOUTHWESTERN BELL 560      
281-209 9   9533 SOUTHWESTERN BELL 560      
281-214 A   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2025-04-07   
281-214 0   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2004-08-13   
281-214 2   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-214 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-214 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-214 5   145J TERRA NOVA TELECOM INC. 560   2024-05-10   
281-214 6   903C ONVOY, LLC - TX 560   2020-09-30   
281-214 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2003-04-01   
281-214 8   903C ONVOY, LLC - TX 560   2003-10-01   
281-214 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2022-10-09   
281-231 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-231 0   515J IP HORIZON LLC 560   2016-01-04   
281-231 1   9533 SOUTHWESTERN BELL 560   2004-02-19   
281-231 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-02-25   
281-231 3   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-04-05   
281-231 4   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-04-05   
281-231 5   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-04-05   
281-231 6   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-04-05   
281-231 7   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-04-05   
281-231 8   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-09-03   
281-231 9   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2010-11-20   
281-233 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-443 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-553 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-645 A HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-645 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2009-02-26   
281-645 1   792K CHARTER IP ENABLED SERVICES, LLC 560   2016-07-23   
281-645 2   903C ONVOY, LLC - TX 560   2008-05-01   
281-645 3   903C ONVOY, LLC - TX 560   2008-05-01   
281-645 4   318J COMCAST IP PHONE, LLC 560   2005-06-01   
281-645 5   903C ONVOY, LLC - TX 560   2016-04-04   
281-645 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
281-645 7   7421 AT&T - LOCAL 560   2002-03-13   
281-645 8   318J COMCAST IP PHONE, LLC 560   2007-05-29   
281-645 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2010-03-18   
281-742 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-742 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-01-21   
281-742 1   903C ONVOY, LLC - TX 560   2010-11-15   
281-742 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2010-06-07   
281-742 3   145J TERRA NOVA TELECOM INC. 560   2025-02-14   
281-742 4   145J TERRA NOVA TELECOM INC. 560   2025-10-17   
281-742 5   9533 SOUTHWESTERN BELL 560      
281-742 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2010-09-09   
281-742 9   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-03-25   
281-784 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-784 0   004F BANDWIDTH.COM CLEC, LLC - TX 560   2011-05-22   
281-784 1   9533 SOUTHWESTERN BELL 560      
281-784 2   318J COMCAST IP PHONE, LLC 560   2011-08-30   
281-784 3   903C ONVOY, LLC - TX 560   2011-11-21   
281-784 4   9533 SOUTHWESTERN BELL 560      
281-784 5   9533 SOUTHWESTERN BELL 560      
281-784 6   9533 SOUTHWESTERN BELL 560      
281-784 7   9533 SOUTHWESTERN BELL 560      
281-784 8   9533 SOUTHWESTERN BELL 560      
281-784 9   903C ONVOY, LLC - TX 560   2016-04-04   
281-821 A HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
281-869 A HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-869 0   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-869 1   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-01-10   
281-869 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2011-01-10   
281-869 3   004F BANDWIDTH.COM CLEC, LLC - TX 560   2012-08-16   
281-869 4   516C AT&T CORP. 560   2012-01-05   
281-869 5   7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-869 6   903C ONVOY, LLC - TX 560   2012-12-17   
281-869 7   903C ONVOY, LLC - TX 560   2011-09-02   
281-869 8   903C ONVOY, LLC - TX 560   2003-10-25   
281-869 9   515J IP HORIZON LLC 560   2015-03-23   
281-951 A   903C ONVOY, LLC - TX 560      
281-951 2   903C ONVOY, LLC - TX 560      
281-951 3   903C ONVOY, LLC - TX 560      
281-951 7   903C ONVOY, LLC - TX 560      
281-982 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-982 0   903C ONVOY, LLC - TX 560   2020-12-11   
281-982 1   903C ONVOY, LLC - TX 560   2020-12-11   
281-982 2   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-982 3   516C AT&T CORP. 560   2007-02-15   
281-982 4   903C ONVOY, LLC - TX 560   2020-12-11   
281-982 5   318J COMCAST IP PHONE, LLC 560   2014-07-07   
281-982 6   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-03-27   
281-982 7   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2014-11-03   
281-982 8   903C ONVOY, LLC - TX 560   2010-07-10   
281-982 9   7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-566 A HSTNTXJAXBY  965H FRACTEL, LLC 560      
346-566 0   073H TELNYX LLC 560   2021-07-12   
346-566 1   624H ONVOY SPECTRUM, LLC 560   2021-11-25   
346-566 2   903C ONVOY, LLC - TX 560   2021-07-12   
346-566 3   903C ONVOY, LLC - TX 560   2021-07-12   
346-566 4   903C ONVOY, LLC - TX 560   2021-07-12   
346-566 5   903C ONVOY, LLC - TX 560   2021-07-12   

1 2 3 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.