Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTOTX42DS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-207 A Sugar Land TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-210 A Spring EMS TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-241 A Deer Park TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-245 A Alvin TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-569 A Bammel TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-570 A Humble TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-582 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-653 A Satsuma TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-737 A Satsuma TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-769 A Katy TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-781 A Bammel TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-783 A Sheldon TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-816 A Friendswood TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-823 A Apollo TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-845 A Arcola TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-849 A Langham Creek TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-854 A Houston Suburban TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-869 A Westfield TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-883 A Humble 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      
281-902 A Houston Suburban 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      
281-941 A La Porte 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      
281-994 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      
409-572 A Galveston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-328 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-335 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-341 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-351 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-358 A Houston 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      
713-452 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      
713-482 A Houston Suburban 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      
713-579 A Houston TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
713-580 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      
832-323 A Channelview TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-334 A Cypress EMS TX 7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
832-340 A Dickinson 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      
832-539 A Stafford 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      
832-632 A League City 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      
832-698 A Tomball EMS 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      
832-764 A Spring 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: Thu, 29 Jan 2026 14:35:03 UTC

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