Refine your search of 8 BEST Internet providers and 29 Internet plans in Castle Rock. Enter a location to find internet service providers (ISP) in your area.
What are the best Internet providers in Castle Rock for 2025?
Below is the list of top Internet providers in Castle Rock for 2024 - 2025.
- Xfinity (Top Pick)
- AT&T (Best for Gaming and Streaming)
Best Internet Providers in Castle Rock, CO
Comcast
Cable
Starting from $35/mo.
Up to 2000 Mbps
- 300 Mbps - $40/mo for 12 months
- 500 Mbps - $55/mo for 12 months
AT&T
U-verse
Starting from $42/mo.
Up to 1000 Mbps
- 300 Mbps - $42 per month
- 1000 Mbps - $62 per month
HughesNet
Satellite
Starting from $39.99/mo.
Up to 50 Mbps
- 25 Mbps - $39.99/mo for 12 months
- 50 Mbps - $49.99/mo. for 12 months
AT&T DSL
DSL
Starting from $55/mo.
Up to 50 Mbps
- 50 Mbps - $55/month for 12 months
- 18 Mbps - $55/month for 12 months
Castle Rock, Colorado Internet Provider Availability
- About 100% of Castle Rock residents have access to 1 or more provider.
- About 98.13% of Castle Rock residents have access to 2 or more providers.
- About 78.44% of Castle Rock residents have access to 3 or more providers.
Best Internet Deals in Castle Rock, CO
Below is the list of best Internet deals available in Castle Rock area. Compare and choose the most suitable package for you and your family. And get special discounts for ordering online!
1. Xfinity 500 Mbps Internet
Xfinity
Speed:
Typical download speed: 584.04 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.35 ms
Typical download speed: 584.04 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.35 ms
Prices Starting At
$55.00/mo
This is an introductory rate. Price includes discount. Reg $95/mo
One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
✅ Verified 2 weeks agoNo term contract
2. Xfinity 2000 Mbps Internet
Xfinity
Speed:
Typical download speed: 2202.94 Mbps
Typical upload speed: 250 Mbps
Typical latency: 14.65 ms
Typical download speed: 2202.94 Mbps
Typical upload speed: 250 Mbps
Typical latency: 14.65 ms
Prices Starting At
$100.00/mo
This is an introductory rate. Price includes discount. Reg $140/mo
One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
✅ Verified 2 weeks agoNo term contract
3. Xfinity 1000 Mbps Internet
Xfinity
Speed:
Typical download speed: 1167.49 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.24 ms
Typical download speed: 1167.49 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.24 ms
Prices Starting At
$70.00/mo
This is an introductory rate. Price includes discount. Reg $110/mo
One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
✅ Verified 2 weeks agoNo term contract
4. Xfinity 300 Mbps Internet
Xfinity
Speed:
Typical download speed: 351.86 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.33 MS
Typical download speed: 351.86 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.33 MS
Prices Starting At
$35.00/mo
This is an introductory rate. Price includes discount. Reg $80/mo
One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10
✅ Verified 2 weeks agoNo term contract
5. AT&T 500 Mbps Internet
AT&T
Speed:
Typical download speed: 659.2 Mbps
Typical upload speed: 627.6 Mbps
Typical latency: 12 ms
Typical download speed: 659.2 Mbps
Typical upload speed: 627.6 Mbps
Typical latency: 12 ms
Prices Starting At
$50.00/mo
This is an introductory rate. Price includes discount. Reg $75/mo.
One-time Fees:
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
✅ Verified 2 weeks agoNo annual contract
6. AT&T 300 Mbps Internet
AT&T
Speed:
Typical download speed: 397.9 Mbps
Typical upload speed: 377.7 Mbps
Typical latency: 14 ms
Typical download speed: 397.9 Mbps
Typical upload speed: 377.7 Mbps
Typical latency: 14 ms
Prices Starting At
$42.00/mo
This is an introductory rate. Price includes discount. Reg $65/mo.
One-time Fees:
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
✅ Verified 2 weeks agoNo annual contract
7. AT&T 1000 Mbps Internet
AT&T
Speed:
Typical download speed: 996.5 Mbps
Typical upload speed: 924.5 Mbps
Typical latency: 12 ms
Typical download speed: 996.5 Mbps
Typical upload speed: 924.5 Mbps
Typical latency: 12 ms
Prices Starting At
$62.00/mo
This is an introductory rate. Price includes discount. Reg $90/mo
One-time Fees:
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
Installation Fee: $0.00
Late Payment Fee: $9.99
Early Termination Fee: $0.00
Non-return Equipment Fee: $150.00
✅ Verified 2 weeks agoNo annual contract
8. HughesNet 50 Mbps Internet
HughesNet
Speed:
Typical download speed: 50 Mbps
Typical upload speed: 5 Mbps
Typical latency: 650 ms
Typical download speed: 50 Mbps
Typical upload speed: 5 Mbps
Typical latency: 650 ms
Prices Starting At
$49.99/mo
This is an introductory rate. Price includes discount. Reg $79.99/mo
One-time Fees:
Installation Fee: $0.00
Early Termination Fee: up to $400
Equipment Fee: $300
Installation Fee: $0.00
Early Termination Fee: up to $400
Equipment Fee: $300
✅ Verified 1 week ago
9. HughesNet 25 Mbps Internet
HughesNet
Speed:
Typical download speed: 25 Mbps
Typical upload speed: 3 Mbps
Typical latency: 650 ms
Typical download speed: 25 Mbps
Typical upload speed: 3 Mbps
Typical latency: 650 ms
Prices Starting At
$39.99/mo
This is an introductory rate. Price includes discount. Reg $54.99/mo
One-time Fees:
Installation Fee: $0.00
Early Termination Fee: up to $400
Equipment Fee: $9.99/mo. + $99
Installation Fee: $0.00
Early Termination Fee: up to $400
Equipment Fee: $9.99/mo. + $99
✅ Verified 1 week ago
10. Viasat 43 Mbps Internet
Viasat
Speed:
Typical download speed: 43 Mbps
Typical upload speed: 4 Mbps
Typical latency: 656 ms
Typical download speed: 43 Mbps
Typical upload speed: 4 Mbps
Typical latency: 656 ms
Prices Starting At
$99.00/mo
Reg $99.99 per month
One-time Fees:
Installation Fee: $0 - $500
Early Termination Fee: $0.00
Equipment Fee: $15/monthly
Installation Fee: $0 - $500
Early Termination Fee: $0.00
Equipment Fee: $15/monthly
✅ Verified 1 month ago
11. FairPoint Communications 50 Mbps Internet
FairPoint Communications
Download speeds up to:
50 Mbps
50 Mbps
Prices Starting At
$52.95/mo
12. FairPoint Communications 10 Mbps Internet
FairPoint Communications
Download speeds up to:
10 Mbps
10 Mbps
Prices Starting At
$33.00/mo
13. FairPoint Communications 25 Mbps Internet
FairPoint Communications
Download speeds up to:
25 Mbps
25 Mbps
Prices Starting At
$49.95/mo
Castle Rock Internet Providers Comparison
Compare download speed, upload speed and coverage for the 8 best Internet providers in
Castle Rock including Xfinity and CenturyLink.
| Rank | Provider | Call | Connection | Download Speed | Upload Speed | Coverage |
|---|---|---|---|---|---|---|
| 1. | Kellin Communications | - | Fixed Wireless | Up to 15 Mbps | Up to 4 Mbps | 100% |
| 2. | DirectLink | - | Fixed Wireless | Up to 15 Mbps | Up to 8 Mbps | 99.5% |
| 3. | CenturyLink | (855) 930-2115 | DSL | Up to 100 Mbps | Up to 12 Mbps | 98.5% |
| 4. | Xfinity | - | Cable | Up to 1200 Mbps | Up to 35 Mbps | 95% |
| 5. | Rise Broadband | - | Fixed Wireless | Up to 15 Mbps | Up to 3 Mbps | 58.5% |
| 6. | CenturyLink | (855) 930-2115 | Fiber | Up to 1000 Mbps | Up to 1000 Mbps | 8% |
| 7 | Viasat | Satellite | Up to 100 Mbps | Up to 3 Mbps | 100% | |
| 8 | HughesNet | Satellite | Up to 25 Mbps | Up to 3 Mbps | 100% |
Castle Rock Business Internet Providers
What is the best Internet provider in Castle Rock, CO?
Kellin Communications is the top Internet provider with 100% coverage in Castle Rock.
- DirectLink - 99.5% Availability in Castle Rock
- CenturyLink - 98.5% Availability in Castle Rock
- Xfinity - 95% Availability in Castle Rock
- Rise Broadband - 58.5% Availability in Castle Rock
- CenturyLink - 8% Availability in Castle Rock
Internet companies in Castle Rock, CO
- 98.5% of residents in Castle Rock can get DSL Internet.
- 95% of residents in Castle Rock can get Cable Internet.
- 8% of residents in Castle Rock can get Fiber Optic Internet.
Frequently Asked Questions
Who has best Internet service in Castle Rock area?
Both CenturyLink and Xfinity are the best Internet Service Provider in Castle Rock. The best option for you will depend on your budget and needs. CenturyLink offers speeds up
to 100 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 Castle Rock?
Xfinity is the fastest Cable Internet Service Provider in Castle Rock. Xfinity delivers fast, reliable internet
service in Castle Rock, Colorado. Xfinity offers speeds up to 1200 Mbps and is the best option for speed where it's available.
Who offers the cheapest internet service in Castle Rock, CO?
The cheapest Internet service in Castle Rock is $19.99 per month. Comcast offers 150Mbps Cable Internet for as low as $19.99 per month.
What Internet speed can I get in Castle Rock area?
- Internet download speed in Castle Rock ranges from 15 Mbps to 1200 Mbps. DirectLink Fixed Wireless Internet service offers up to 15 Mbps download speed and it is available to 99.5% of residents in Castle Rock, Colorado. Xfinity Cable Internet service offers up to Mbps download speed and it is available to 95% of residents in Castle Rock, Colorado.
- Internet upload speed in Castle Rock ranges from 8 Mbps to 35 Mbps. DirectLink Fixed Wireless Internet service offers up to 8 Mbps upload speed and it is available to 99.5% of residents in Castle Rock, Colorado. Xfinity Cable Internet service offers up to 1200 Mbps download speed and it is available to 95% of residents in Castle Rock, Colorado.