Data as of December 31, 2021

The following information has been submitted to the Broadband Mapping Program by broadband providers across California, using data formats from the Broadband Data Submission Guidelines and Templates website.

The Fixed Wireless and Wireline downloadable GIS data show broadband deployment and speeds as submitted by broadband providers and has been validated by the CPUC. The Mobile broadband data represent coverage submitted by broadband providers AT&T Mobility, T-Mobile, US Cellular, and Verizon Wireless.

  • GIS Data - File Geodatabase (updated 4/19/2023) 
    • Fixed Downstream Consumer Deployment: Shapefile (updated 4/19/2023)
    • Fixed Downstream Business Deployment: Shapefile (updated 4/19/2023)
    • Mobile Deployment:  Shapefile (updated 4/19/2023)
  • California Broadband Data Processing and Validation - PDF (coming soon)

Data Tables as of December 31, 2021

    California Interactive Broadband Map

    The California broadband data can also be viewed by using the California Interactive Broadband Map. This interactive map provides location funding eligibility for the California Advanced Services Fund (CASF) Infrastructure Account.

    California Community Anchor Institutions

    The Community Anchor Institutions (CAI) data files, as of December 31, 2021, are a compilation of schools, libraries, health institutions, and public safety facilities in California.


    Please contact us at


    Related Topics

    Related Divisions