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: HSTOTX46DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-377 A Bammel TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-667 A Apollo TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-668 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-670 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-671 A Satsuma TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-673 A Bammel TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-674 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-676 A Barker TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-677 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
281-892 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-241 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-292 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-300 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-344 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-345 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-357 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-401 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-425 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
713-470 A Houston TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
832-619 A Houston Suburban TX 7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560   2012-05-17   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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