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: HSTNTXCLX5Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-220 A Houston TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-301 A Bammel TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-318 A Humble TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-404 A Houston TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-410 A Stafford TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-503 A Porter Heights TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-601 A Porter TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-666 A Crosby TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-678 A Dickinson TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-688 A Highlands TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-712 A Katy TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-715 A Deer Park TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-750 A Richmond-Rosenberg TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-751 A Mont Belvieu TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-761 A Cleveland TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-762 A Richmond-Rosenberg EMS TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-764 A Huffman TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-767 A Rosharon TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-803 A Tomball TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-828 A Barker TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-912 A Houston Suburban TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-972 A Arcola TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
409-440 A Hitchcock-Santa Fe TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
713-366 A Houston TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
713-373 A Houston TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
713-474 A Houston Suburban TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
713-550 A Houston TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-342 A Stafford TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-381 A Spring EMS TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
832-451 A Richmond-Rosenberg TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
936-261 A Prairie View TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
936-367 A Dayton TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
936-818 A Corrigan TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-227 A Bellville TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-330 A Bay City TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-428 A Boling-New Gulf TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-432 A Glen Flora TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-452 A Beasley TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-457 A Damon TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-464 A East Bernard TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-469 A West Columbia TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-473 A Wallis TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-474 A Sweeny-Old Ocean TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
979-652 A Needville TX 7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.