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Internet providers in Castro Valley, CA

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1. AT&T
93% available in Castro Valley
Connection:
Fiber
Download speeds up to
5000Mbps
2. T-Mobile Home Internet
99% available in Castro Valley
Connection:
5G Home
Download speeds up to
245Mbps

Order online and get a $150 prepaid Mastercard when you switch to T-Mobile Home Internet.

3. Xfinity
99% available in Castro Valley
Connection:
Cable
Download speeds up to
1200Mbps

Switch to Xfinity Internet + TV and get up to $200 off NFL Sunday Ticket from YouTube

4. EarthLink
93% available in Castro Valley
Connection:
Fiber
Download speeds up to
5000Mbps

User Rating(69)

Ranked #1 by HighSpeedInternet.com customer satisfaction for 2021 & 2022

5. Sonic
62% available in Castro Valley
Connection:
Fiber
Download speeds up to
10000Mbps

Get Sonic Fiber for free with the Affordable Connectivity Program.

6. Sail Internet
75% available in Castro Valley
Connection:
Fiber & Fixed Wireless
Download speeds up to
1000Mbps
7. HughesNet
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
25Mbps

User Rating(217)

Order now and receive a $100 Prepaid Card via rebate (terms apply). Offer expires 11/13/23

8. Viasat
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
100Mbps
9. ispMint
99% available in Castro Valley
ispMint
Connection:
DSL
Download speeds up to
100Mbps
Link not provided
10. Easy Internet Now
95% available in Castro Valley
Easy Internet Now
Connection:
Fiber
Download speeds up to
5000Mbps
Link not provided
11. Unlimitedville
99% available in Castro Valley
Connection:
LTE Home
Download speeds up to
99Mbps
12. Etheric Networks
99% available in Castro Valley
Connection:
Fixed Wireless
Download speeds up to
25Mbps
1. Comcast Business
99% available in Castro Valley
Connection:
Cable
Download speeds up to
1000Mbps

User Rating(38)
2. Sonic
63% available in Castro Valley
Connection:
Fiber
Download speeds up to
10000Mbps

Get Sonic Fiber for free with the Affordable Connectivity Program.

3. Sail Internet
75% available in Castro Valley
Connection:
Fiber & Fixed Wireless
Download speeds up to
1000Mbps
4. HughesNet
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
25Mbps

User Rating(217)

Order now and receive a $100 Prepaid Card via rebate (terms apply). Offer expires 11/13/23

5. Viasat
99% available in Castro Valley
Connection:
Satellite
Download speeds up to
100Mbps
6. ispMint
99% available in Castro Valley
ispMint
Connection:
DSL
Download speeds up to
100Mbps
Link not provided
7. Easy Internet Now
95% available in Castro Valley
Easy Internet Now
Connection:
Fiber
Download speeds up to
5000Mbps
Link not provided
8. Ooma
98% available in Castro Valley
Ooma
Connection:
Wireless LTE
Download speeds up to
100Mbps
Link not provided
9. Unlimitedville
99% available in Castro Valley
Connection:
LTE Home
Download speeds up to
99Mbps
10. Etheric Networks
99% available in Castro Valley
Connection:
Fixed Wireless
Download speeds up to
25Mbps
1. T-Mobile
Available in Castro Valley
Connection:
Mobile
T-Mobile
4GLTE

User Rating
2. Verizon Wireless
Available in Castro Valley
Connection:
Mobile
Verizon Wireless
4GLTE

User Rating
3. AT&T Wireless
Available in Castro Valley
Connection:
Mobile
AT&T Wireless
5G

User Rating
4. Xfinity Mobile
Available in Castro Valley
Connection:
Mobile
Xfinity Mobile
4GLTE

User Rating
5. Mint
Available in Castro Valley
Connection:
Mobile
Mint
4GLTE

User Rating
6. Visible
Available in Castro Valley
Connection:
Mobile
Visible
4GLTE

User Rating

What’s a good internet speed?

Take our quiz to find out how much internet speed you need. Or use our internet speed test to test your current speeds.

0–5 Mbps

Works for:

  • Checking email
  • Streaming music on one device
  • Searching on Google

5–40 Mbps

Works for:

  • Streaming video on one device
  • Video calling with Skype or FaceTime
  • Online gaming for one player

40–100 Mbps

Works for:

  • Streaming HD video on a few devices
  • Multiplayer online gaming
  • Downloading large files

100–500 Mbps

Works for:

  • Streaming video in UHD on multiple screens
  • Downloading files quickly
  • Gaming online for multiple players

500–1,000+ Mbps

Works for:

  • Doing a lot of almost anything

Internet Provider Availability Map

Click to Activate Interactive Map

Learn more about AT&T

Learn more about T-Mobile Home Internet

Learn more about Xfinity

Learn more about EarthLink

Learn more about Sonic

Learn more about Sail Internet

Learn more about HughesNet

Learn more about Viasat

Learn more about ispMint

Learn more about Easy Internet Now

Learn more about Unlimitedville

Learn more about Etheric Networks

What is the best internet provider in Castro Valley?

Internet Provider Types in Castro Valley


Cable

100%
Coverage


DSL

99%
Coverage


Fiber

86%
Coverage

Internet Speed Availability in Castro Valley


3 Mbps

100%
Availability


10 Mbps

100%
Availability


25 Mbps

100%
Availability

Broadband Internet Availability

(Internet faster than 25 Mbps)

100%
Castro Valley
94%
California
79%
USA

Castro Valley Residential Internet Coverage

Residents of Castro Valley live in some of the most expensive homes in both the United States and California. The white collar-residents tend to be well-educated and wealthy. Residents are ethnically diverse with nearly 19% of residents of Hispanic or Latino descent. Further adding to the city's character, more than 23% of Castro Valley residents were born outside the United States.

DSL users have several options in Castro Valley. AT&T reaches 100% of residents with this service. Sonic.net reaches 7% of residents north of I-580 and New Edge Networks offers DSL to 1% of the area east of Skyline Blvd. Cable internet users can connect with Xfinity, reaching 98% of Castro Valley residents.

Businesses in the area can also connect with copper wire from Megapath or TW Telecom.

Fastest Internet Service Providers in Castro Valley

Sonic offers internet at speeds up to 10000 Mbps

AT&T offers internet at speeds up to 5000 Mbps

EarthLink offers internet at speeds up to 5000 Mbps

Easy Internet Now offers internet at speeds up to 5000 Mbps

Find your provider's store locations

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Summary of Castro Valley internet providers

Provider Type Download speeds up to User rating Order online
AT&T Fiber 5000 Mbps 3.5/5 View Plans for AT&T
T-Mobile Home Internet 5G Home 245 Mbps 3.5/5 View Plans for T-Mobile Home Internet
Xfinity Cable 1200 Mbps 3.5/5 View Plans for Xfinity
EarthLink Fiber 5000 Mbps 4.0/5 View Plans for EarthLink
Sonic Fiber 10000 Mbps 4.5/5 View Plans for Sonic
Sail Internet Fiber & Fixed Wireless 1000 Mbps 5.0/5 View Plans for Sail Internet
HughesNet Satellite 25 Mbps 3/5 View Plans for HughesNet
Viasat Satellite 100 Mbps 3/5 View Plans for Viasat
ispMint DSL 100 Mbps 4.5/5
Easy Internet Now Fiber 5000 Mbps 4.5/5
Unlimitedville LTE Home 99 Mbps N/A View Plans for Unlimitedville
Etheric Networks Fixed Wireless 25 Mbps 5.0/5 View Plans for Etheric Networks

Availability and speeds displayed are not guaranteed and are subject to change.

Technology Type

DSL:

DSL provides internet service via phone cables and is up to ten times faster than dial-up service.

Cable:

Cable provides internet speeds faster than DSL through the same cables used for cable TV.

Satellite:

Satellite internet is widely available, but offers slower speeds due to a far-traveling signal.

Fiber:

Fiber relies on glass strands to relay digital code and is much faster than both DSL and cable.

Customer reviews of internet providers in Castro Valley

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    CA    Castro Valley