FCC Form 477 (2020) 158 providers 145 Mbps avg satellite-led mix

California Broadband Data

FCC Form 477 internet service provider coverage and transport-technology mix for California (CA). All figures are programmatic rollups of public deployment filings.

Broadband technology mix Stacked horizontal bar showing the percentage share of fiber, cable, DSL, fixed-wireless, and satellite broadband filings. Broadband technology mix FCC Form 477 deployment filings · share of total records 9.9% 22.8% 14.8% 49.2% Fiber 3.30% Cable 9.90% DSL 22.80% Fixed-Wireless 14.80% Satellite 49.20% Five-segment transport-technology composition · normalised to 100%
California transport-technology mix (FCC Form 477 share of filings)

Data updated June 2026

Providers

158

Distinct ISPs filing in CA

Average max download

145 Mbps

Mean of advertised speeds

Fiber coverage

3.3%

Share of FCC filings

below the ~4.3% national fiber share

Total deployment records

4,251,743

Across 158 providers

California at a glance

In California, 49.2% of Form 477 records are satellite and 3.3% are fiber, a satellite-led mix across 4,251,743 deployment records.

3.3%
fiber share (below the ~4.3% national share)
9.9%
cable share of deployment records
49.2%
satellite share - the dominant category
widest footprint - 745,276 records

Shares are the percentage of this state's Form 477 deployment records using each technology category.

Federal broadband speed-tier distribution Horizontal bar showing the share of 4,251,743 FCC Form 477 deployment filings across the five federal speed-threshold bands. 18.7% <3/0.768 18.3% 3/0.768 → 25/3 35.8% 25/3 → 100/20 24.1% 100/20 → 1G Sub-broadband 795,291 Legacy 778,969 Standard 1,521,972 Giga-capable 1,026,492 Gigabit+ 129,019 4,251,743 filings · 5 federal speed-threshold bands
California max-advertised-download tiers, share of FCC Form 477 filings by speed (sub-3 → ≥1,000 Mbps)

What the FCC Data Shows for California

California has 158 distinct broadband providers on file with the FCC and 4,251,743 total deployment records across all technology types. The state's average maximum advertised download speed sits at 144.5 Mbps - at or above the federal 100/20 Mbps broadband benchmark. That headline figure is the mean across every filing, so it weights provider-by-census-block records equally rather than weighting by population, which means rural filings pull the average as much as urban ones.

The technology mix in California is led by satellite, with fiber accounting for 3.3% of filings, cable 9.9%, and DSL 22.8%. Fiber share is the single best indicator of future-proofed infrastructure because fiber supports symmetric multi-gigabit speeds and scales without rewiring; cable share signals incumbent coverage in suburbs and cities; DSL share typically correlates with legacy copper footprints in smaller towns and rural pockets where no newer technology has arrived yet.

AT&T Inc. files the most deployment records in California at 745,276, with ViaSat, Inc. second at 710,145. The dominant technology line by filing count is Satellite, which alone accounts for 2,093,119 records. Remember that Form 477 counts provider filings, not homes actually connected, so a block with five providers shows up as five records, useful for measuring competition and coverage breadth, but not a direct proxy for subscriber counts or real-world speeds at any specific address.

Technology Breakdown

California broadband technologies by reported deployment records

FCC Form 477 fixed broadband deployment data (June 2020 status)

1. Satellite2,093,1192. Terrestrial Fixed Wireless627,5113. Cable422,7184. ADSL2+383,0815. DSL369,9366. VDSL202,3047. Fiber138,6638. Other Copper13,9619. Symmetric DSL44210. Other8

Full technology detail

Technology Records
Satellite 2,093,119
Terrestrial Fixed Wireless 627,511
Cable 422,718
ADSL2+ 383,081
DSL 369,936
VDSL 202,304
Fiber 138,663
Other Copper 13,961
Symmetric DSL 442
Other 8

Who Reports the Most in California

The providers carrying the largest share of California's Form 477 deployment records. AT&T Inc. leads with 745,276 records.

Top providers in California by reported deployment records

FCC Form 477 fixed broadband deployment data (June 2020 status)

1. AT&T Inc.745,2762. ViaSat, Inc.710,1453. Hughes Network Systems, L…691,4874. VSAT Systems, LLC691,4875. Frontier Communications C…312,7376. Charter Communications228,3307. Comcast Corporation132,3388. unWired Broadband Inc.93,3039. Etheric Networks, Inc.82,76110. Ultimate Internet Access…43,01411. Cruzio Holdings, LLC42,43512. DigitalPath, Inc.41,807

Full Provider List - California

Showing top 50 of 158 providers.

Disclaimer: Data from FCC Form 477. For informational purposes only. Coverage percentages are based on provider filings and may overstate actual availability at specific addresses. Speed figures represent maximum advertised speeds, not guaranteed performance. Always verify availability directly with providers.

Frequently Asked Questions

How many broadband providers serve California?

According to FCC Form 477 data, 158 broadband providers have filed deployment records in California.

What is the average download speed in California?

The average maximum advertised download speed across all providers in California is 144.5 Mbps, based on FCC deployment filings.

What broadband technologies are available in California?

California has broadband coverage through multiple technologies including fiber (3.3%), cable (9.9%), and DSL (22.8%).

Data sourced from the FCC Form 477 fixed broadband deployment dataset. See our methodology for details. Retrieved and formatted by PlainBroadband Editorial

State-level figures reflect reported provider footprint, not a real-time or address-level availability check.

PlainBroadband is rendered directly from the FCC Form 477 fixed broadband deployment dataset (June 2020 status, the final Form 477 release), no number is typed in by an editor. This state's coverage figures are computed directly from the underlying FCC Form 477 census-block records, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2020.