Skip to main content
DSDownloadSpeed
FCC Data · Updated April 2026
B

Best Internet in Sonoma, CA

1000 Mbps avg · 38 ZIP codes · 100% fiber · 10 providers/ZIP

1000
Avg Mbps
1,000
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in Sonoma

ProviderZIP Codes Served% of Area
At&T California38100%
Charter Communications INC38100%
T-Mobile38100%
Comcast38100%
unWired Broadband INC38100%
Verizon California INC Ca Gte38100%
Etheric Networks, INC.38100%
Cal.net INC.38100%
Browse

ZIP Codes in Sonoma

Test Your Speed

See how your connection compares to the 1000 Mbps average in Sonoma.

FAQ

Frequently Asked Questions

What is the average internet speed in Sonoma, CA?

Sonoma, California has an average maximum download speed of 1000 Mbps across 38 ZIP codes. The fastest available speed is 1000 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in Sonoma?

The most widely available providers in Sonoma are At&T California (38 ZIPs), Charter Communications INC (38 ZIPs), T-Mobile (38 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in Sonoma?

Yes, fiber internet is available in 100% of Sonoma's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does Sonoma compare to the rest of California?

Sonoma has an average Broadband Grade of B (76/100). The Sonoma area averages 10 providers per ZIP code with 100% fiber access. Check the California overview for statewide comparison.