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: HSTNTXJAXVX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-429 6 Porter Heights EMS TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-08   
281-645 1 Westfield TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-205 6 Langham Creek TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-235 2 Bammel TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-251 6 Barker TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-336 A Tomball TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-336 8 Tomball TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-10-27   
346-351 A Spring TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-351 1 Spring TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-382 3 Spring TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2019-03-27   
346-387 3 Katy TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
346-412 A Cypress TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-412 1 Cypress TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-08-01   
346-703 3 Pinehurst TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   
936-270 0 Conroe TX 353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-07-23   

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

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