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: HSTATX75DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-223 A Cleveland TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-402 A La Porte TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-946 A Deer Park TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-947 A Friendswood TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
281-954 A Apollo TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
346-203 A Houston Suburban TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
346-970 A Bammel TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
713-343 A Houston TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
713-360 A Houston TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-232 A Bammel TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-234 A Westfield TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-336 A Manvel TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-616 A Spring TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-690 A Houston TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-745 A Cypress TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-775 A Houston Suburban TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-781 A Houston Suburban TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      
832-996 A Satsuma TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 560      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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