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.
Best Internet Providers in Castle Rock, CO
U-verse
Starting from $55/mo.
Up to 1 Gbps
- 300 Mbps - $55 per month
- 1 Gbps - $80 per month
Cable
Starting from $19.99/mo.
Up to 1 Gbps
- 150 Mbps - $19.99/mo for 12 months
- 300 Mbps - $35/mo for 12 months
Satellite
Starting from $49.99/mo.
Up to 100 Mbps
- 50 Mbps - $49.99/mo. for 12 months
- 100 Mbps - $64.99/mo for 12 months
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.
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 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. AT&T in Castle Rock
AT&T provides Fiber internet service in Castle Rock.AT&T Cheap Internet Plans in Castle Rock
Internet 300
- Price: $55 per month
- Download speeds: up to 300 Mbps
- Deal: Get $150 reward card for ordering online + apply Promo code HOLIDAY50 to get an extra $50 reward card
Internet 500
- Price: $65 per month
- Download speeds: up to 500 Mbps
- Deal: Get $150 reward card for ordering online + apply Promo code HOLIDAY50 to get an extra $50 reward card
Internet 1000
- Price: $80 per month
- Download speeds: up to 1 Gbps
- Deal: Get $200 reward card for ordering online + apply Promo code HOLIDAY50 to get an extra $50 reward card
Order AT&T Internet Service in Castle Rock CO:
2. Xfinity in Castle Rock
Xfinity provides Cable internet service in Castle Rock.Xfinity Cheap Internet Plans in Castle Rock
Connect
- Price: $19.99/mo for 12 months
- Download speeds: up to 150 Mbps
- Deal: Buy an Xfinity Mobile Unlimited line + get a second line FREE
Connect More
- Price: $35/mo for 12 months
- Download speeds: up to 300 Mbps
- Deal: Get a line of Xfinity Mobile Unlimited included for 1 year
Fast
- Price: $55/mo for 12 months
- Download speeds: up to 500 Mbps
- Deal: Save up to $40/mo with Xfinity Mobile
Gigabit
- Price: $65/mo for 12 months
- Download speeds: up to 1 Gbps
- Deal: Save up to $40/mo with Xfinity Mobile
Gigabit Extra
- Price: $75/mo for 12 months
- Download speeds: up to 1200 Mbps
- Deal: Save up to $40/mo with Xfinity Mobile
Order Xfinity Internet Service in Castle Rock CO:
3. HughesNet in Castle Rock
HughesNet provides Satellite internet service in Castle Rock.HughesNet Cheap Internet Plans in Castle Rock
Select Plan
- Price: $49.99/mo. for 12 months
- Download speeds: up to 50 Mbps
- Deal: Order now and receive a $100 Prepaid Mastercard® via rebate.* Offer ends 1/7/25.
Elite Plan
- Price: $64.99/mo for 12 months
- Download speeds: up to 100 Mbps
- Deal: Receive a $100 Prepaid Mastercard
Fusion Plan
- Price: $94.99/mo. for 12 months
- Download speeds: up to 100 Mbps
- Deal: Order now and receive a $100 Prepaid Mastercard® via rebate.* Offer ends 1/7/25.
4. AT&T DSL in Castle Rock
AT&T DSL provides DSL internet service in Castle Rock.AT&T DSL Cheap Internet Plans in Castle Rock
Internet 50
- Price: $55/month for 12 months
- Download speeds: up to 50 Mbps
- Deal: Get up to 50 Mbps AT&T DSL Internet for only $45/mo.
Internet 18
- Price: $55/month for 12 months
- Download speeds: up to 18 Mbps
- Deal: Get up to 18 Mbps AT&T DSL Internet for only $45/mo.
5. Viasat in Castle Rock
Viasat provides Satellite internet service in Castle Rock.Viasat Cheap Internet Plans in Castle Rock
25 Mbps Internet
- Price: $49.99/month for 3 months
- Download speeds: up to 25 Mbps
50 Mbps Internet
- Price: $69.99/month for 3 months
- Download speeds: up to 50 Mbps
Unlimited Gold 30
- Price: $100/month for 3 months
- Download speeds: up to 50 Mbps
Unlimited Platinum 100
- Price: $150/month for 3 months
- Download speeds: up to 100 Mbps
6. FairPoint Communications in Castle Rock
FairPoint Communications provides Cable internet service in Castle Rock.FairPoint Communications Cheap Internet Plans in Castle Rock
10 Mbps Internet
- Price: $33/month for 12 months
- Download speeds: up to 10 Mbps
25 Mbps Internet
- Price: $49.95/month for 12 months
- Download speeds: up to 25 Mbps
50 Mbps Internet
- Price: $52.95/month
- Download speeds: up to 50 Mbps
7. Rise Broadband in Castle Rock
Rise Broadband provides Wireless internet service in Castle Rock.Rise Broadband Cheap Internet Plans in Castle Rock
50 Mbps Internet
- Price: $55/month
- Download speeds: up to 50 Mbps
100 Mbps Internet
- Price: $75/month
- Download speeds: up to 100 Mbps
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% |
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.Use a tool like Speedtest by Ookla to test your Internet connection bandwidth.
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.