Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HSTQTXRG6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-281 A Houston Suburban TX 473F USFON, INC. - TX 560      
281-281 0 Houston Suburban TX 139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
281-281 1 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 2 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 3 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 4 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 5 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 6 Houston Suburban TX 139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
281-281 7 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 8 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-281 9 Houston Suburban TX 473F USFON, INC. - TX 560   2023-03-10   
281-533 1 Valley Lodge TX 139F WORLDCALL INTERCONNECT INC. 560   2008-12-13   
281-710 1 Arcola TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
281-725 9 Richmond-Rosenberg TX 139F WORLDCALL INTERCONNECT INC. 560   2008-12-13   
281-969 0 Stafford TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
346-346 A Friendswood TX 473F USFON, INC. - TX 560      
346-346 2 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 3 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 4 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 5 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 6 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 7 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 8 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
346-346 9 Friendswood TX 473F USFON, INC. - TX 560   2023-03-27   
713-713 A Houston TX 473F USFON, INC. - TX 560      
713-713 0 Houston TX 139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
713-713 1 Houston TX 139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
713-713 2 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 3 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 4 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 5 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 6 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 7 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 8 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-713 9 Houston TX 473F USFON, INC. - TX 560   2023-03-10   
713-900 0 Houston TX 139F WORLDCALL INTERCONNECT INC. 560   2010-12-24   
832-832 A Spring TX 473F USFON, INC. - TX 560      
832-832 2 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 3 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 4 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 5 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 6 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 7 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 8 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
832-832 9 Spring TX 473F USFON, INC. - TX 560   2023-03-27   
936-777 A Conroe TX 139F WORLDCALL INTERCONNECT INC. 560      
936-777 7 Conroe TX 139F WORLDCALL INTERCONNECT INC. 560   2009-12-10   
936-888 A Hudson (Angelina) TX 139F WORLDCALL INTERCONNECT INC. 560      
936-999 A Zavalla TX 139F WORLDCALL INTERCONNECT INC. 560      
979-217 9 Wallis TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-227 9 Bellville TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-232 9 Eagle Lake TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-283 A Louise TX 139F WORLDCALL INTERCONNECT INC. 560      
979-283 5 Louise TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-19   
979-289 8 Burton TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-330 9 Bay City TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-335 0 East Bernard TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-353 9 Brenham TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-426 9 Matagorda TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-428 9 Boling-New Gulf TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-444 A Carmine TX 139F WORLDCALL INTERCONNECT INC. 560      
979-488 0 Wharton TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-493 9 Columbus TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-635 9 El Campo TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-987 8 Sealy TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-12   
979-989 A Markham TX 139F WORLDCALL INTERCONNECT INC. 560      
979-989 9 Markham TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-19   
979-998 A Industry TX 139F WORLDCALL INTERCONNECT INC. 560      
979-998 9 Industry TX 139F WORLDCALL INTERCONNECT INC. 560   2008-09-19   
979-999 A Garwood TX 139F WORLDCALL INTERCONNECT INC. 560      
979-999 9 Garwood TX 139F WORLDCALL INTERCONNECT INC. 560   2008-08-30   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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