Internet providers in Castro Valley, CA
How many internet providers provide service in Castro Valley, CA?
As of 2024, there are currently 2 isp providers that offer internet service in Castro Valley, CA.
Which provider offers the best internet service in Castro Valley, CA?
The 3 best internet providers in Castro Valley are: Xfinity, AT&T, and Sonic.
- Verizon 5G Home Internet - $35/month
- AT&T is the best DSL internet providers in Castro Valley for it's 100% availability.
- Xfinity is best for fastest speed in Castro Valley. Xfinity Cable internet offers up to 1200 Mbps download speed and it is available to 100% homes in Castro Valley.
- is best for fiber-optic internet service in Castro Valley. internet offers up to Mbps download speed and it is available to % homes in Castro Valley.
- Cruzio Internet is best Fixed Wireless internet option in Castro Valley.
- Etheric Networks is best Fixed Wireless internet option in Castro Valley.
- Sonic is best DSL internet option in Castro Valley.
Refind your search of 2 best Castro Valley Internet providers and 11 home internet plans. Enter a location to view all plans and pricing from service providers in your area. We'll help you compare the best internet service providers, plans, and prices in your area.
Home Internet Providers in Castro Valley
1. AT&T in Castro Valley, CA
- Available to 100% of homes in Castro Valley
- Download speeds up to 50 Mbps
- Upload speeds up to 10 Mbps
Cruzio Internet
2. Cruzio Internet in Castro Valley, CA
- Available to 100% of homes in Castro Valley
- Download speeds up to 30 Mbps
- Upload speeds up to 30 Mbps
3. Xfinity in Castro Valley, CA
- Available to 100% of homes in Castro Valley
- Download speeds up to 1200 Mbps
- Upload speeds up to 35 Mbps
Etheric Networks
4. Etheric Networks in Castro Valley, CA
- Available to 10% of homes in Castro Valley
- Download speeds up to 25 Mbps
- Upload speeds up to 3 Mbps
Sonic
5. Sonic in Castro Valley, CA
- Available to 8% of homes in Castro Valley
- Download speeds up to 80 Mbps
- Upload speeds up to 4 Mbps
Business Internet Providers in Castro Valley
Frequently Asked Questions
Who has best Internet service in Castro Valley area?
Both AT&T and Xfinity are the best Internet Service Provider in Castro Valley. The best option for you will depend on your budget and needs. AT&T offers speeds up
to 50 Mbps and is the best option for speed where it's available. Xfinity is also good choice if you're looking for the fastest Internet service.
What is the fastest internet in Castro Valley?
Xfinity is the fastest Cable Internet Service Provider in Castro Valley. Xfinity delivers fast, reliable internet
service in Castro Valley, California. Xfinity offers speeds up to 1200 Mbps and is the best option for speed where it's available.Use a tool like Speedtest by Ookla to test your Internet connection bandwidth.
What is the cheapest internet in Castro Valley?
The cheapest Internet provider in Castro Valley, CA is $19.99 per month. Comcast offers 75Mbps Cable Internet for as low as $19.99 per month.
What Internet speed can I get in Castro Valley area?
- Download speed in Castro Valley ranges from 25 Mbps to 1200 Mbps. Etheric Networks Fixed Wireless Internet service offers up to 25 Mbps download speed and it is available to 10% of residents in Castro Valley, California. Xfinity Cable Internet service offers up to Mbps download speed and it is available to 100% of residents in Castro Valley, California.
- Upload speed in Castro Valley ranges from 3 Mbps to 35 Mbps. Etheric Networks Fixed Wireless Internet service offers up to 3 Mbps upload speed and it is available to 10% of residents in Castro Valley, California. Xfinity Cable Internet service offers up to 1200 Mbps download speed and it is available to 100% of residents in Castro Valley, California.