Data as of December 31, 2020

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

  • GIS Data - File Geodatabase  
  • Broadband Maps by Available Speed (PDF)
    • Fixed Broadband Consumer Deployment - Map
    • Fixed Broadband Business Deployment - Map
    • Mobile Deployment - Map
  • California Broadband Data Processing and Validation - PDF

California Interactive Broadband Map

The California broadband data can also be viewed by using the California Interactive Broadband Map. This interactive map is used to view eligibility for the California Advanced Services Fund (CASF). Areas where broadband service is not available may be eligible for a CASF Infrastructure Grant to deploy network facilities.

California Community Anchor Institutions

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


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