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.
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Switch: HSTOTX42DS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-737 A Satsuma TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-887 A Satsuma TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-921 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-943 A Bammel TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-944 A Barker TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-238 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-292 A Baytown TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-570 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-874 A Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-901 A Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-362 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-375 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-380 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-395 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-396 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-441 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-457 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-486 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-583 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-815 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-310 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-313 A Westfield TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-424 A Langham Creek TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-442 A Spring TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-522 A Barker TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-575 A Langham Creek TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-634 A Satsuma TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-639 A Tomball TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-710 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-714 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-747 A Westfield TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-783 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-833 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-913 A Katy TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
936-270 A Conroe TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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