Voice postpaid line discount applied
With $15 monthly bill credit. Limited-time offer; subject to change. Qualifying credit, postpaid voice line, and Internet line required. Credits may take up to 2 bill cycles; credits will stop if you cancel any lines or change plans. Limit 2/account. May not be combined with some offers or discounts (e.g., Price Lock); see FAQs at T-Mobile.com/plans.
AUTO PAY
When you enroll in AutoPay using your debit card or bank account.
Help me choose the best plan
How are you using the internet?
(Please select all that apply)
How many users?
Streaming
Working from Home
Smart home Devices
Online Gaming
Web Browsing
SPECIAL OFFER
Free Equipment & Free Installation! Fiber Internet
Speeds up to 8 Gbps (8,000 Mbps)
Plans Starting at $30/mo. /w No Annual Contract.
*Offers and availability may vary by location & are subject to change.
Quantum Fiber Deals for October 2025 in Castle Pines, CO
Quantum Fiber Internet is available in Castle Pines, CO. The company offers residents download speeds from 200 to up to 8000 Mbps, and prices range from $30 to $165/mo. /w No Annual Contract.
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Quantum Fiber Deals for October 2025 in Castle Pines, CO
Quantum Fiber Internet is available in Castle Pines, CO. The company offers residents download speeds from 200 to up to 8000 Mbps, and prices range from $30 to $165/mo. /w No Annual Contract.
Order Quantum Fiber Internet for Castle Pines, CO
SPECIAL OFFER
5 Year Price Lock. 5G LTE Gateway and Wi-Fi Mesh Access Point. Fixed wireless Internet
Speeds up to 400 Mbps
Plans Starting at $35w/Autopay & any postpaid voice line plus taxes & fees. /w No Annual Contract.
*Offers and availability may vary by location & are subject to change.
T-Mobile Deals for October 2025 in Castle Pines, CO
T-Mobile Internet is available in Castle Pines, CO. The company offers residents download speeds from 300 to up to 400 Mbps, and prices range from $35 to $55w/Autopay & any postpaid voice line plus taxes & fees. /w No Annual Contract.
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T-Mobile Deals for October 2025 in Castle Pines, CO
T-Mobile Internet is available in Castle Pines, CO. The company offers residents download speeds from 300 to up to 400 Mbps, and prices range from $35 to $55w/Autopay & any postpaid voice line plus taxes & fees. /w No Annual Contract.
Order T-Mobile Internet for Castle Pines, CO
SPECIAL OFFER
Unlimited data on a 99.9% reliable* network with NO annual contract *Based on network uptime or availability DSL Internet
Speeds up to 100 Mbps
Plans Starting at $55/mo. /w No Annual Contract.
*Offers and availability may vary by location & are subject to change.
CenturyLink Deals for October 2025 in Castle Pines, CO
CenturyLink Internet is available in Castle Pines, CO. The company offers residents download speeds up to 100 Mbps, and prices range up to $55 /mo. /w No Annual Contract.
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CenturyLink Deals for October 2025 in Castle Pines, CO
CenturyLink Internet is available in Castle Pines, CO. The company offers residents download speeds up to 100 Mbps, and prices range up to $55 /mo. /w No Annual Contract.
Order CenturyLink Internet for Castle Pines, CO
Cable Internet
Speeds up to 1 Gbps (1,000 Mbps)
Plans Starting at $40/mo. for 60mos. w/ 2yr. Agmt.
*Offers and availability may vary by location & are subject to change.
Xfinity Deals for October 2025 in Castle Pines, CO
Xfinity Internet is available in Castle Pines, CO. The company offers residents download speeds from 300 to up to 1000 Mbps, and prices range from $40 to $70/mo. for 60mos. w/ 2yr. Agmt.
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Xfinity Deals for October 2025 in Castle Pines, CO
Xfinity Internet is available in Castle Pines, CO. The company offers residents download speeds from 300 to up to 1000 Mbps, and prices range from $40 to $70/mo. for 60mos. w/ 2yr. Agmt.
Order Xfinity Internet for Castle Pines, CO
SPECIAL OFFER
$100 Gift Card! Free Professional Installation! Satellite Internet
Speeds up to 150 Mbps
Plans Starting at $69.99/w No Annual Contract.
*Offers and availability may vary by location & are subject to change.
Viasat Deals for October 2025 in Castle Pines, CO
Viasat Internet is available in Castle Pines, CO. The company offers residents download speeds up to 150 Mbps, and prices range up to $69.99 /w No Annual Contract.
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Viasat Deals for October 2025 in Castle Pines, CO
Viasat Internet is available in Castle Pines, CO. The company offers residents download speeds up to 150 Mbps, and prices range up to $69.99 /w No Annual Contract.
Order Viasat Internet for Castle Pines, CO
SPECIAL OFFER
Call to see if you qualify to get $25 off your monthly bill! $100 Prepaid Card Via Rebate. Satellite Internet
Speeds up to 100 Mbps
Plans Starting at $39.99/mo. for 12mos. w/ 2yr. Agmt
*Offers and availability may vary by location & are subject to change.
HughesNet Deals for October 2025 in Castle Pines, CO
HughesNet Internet is available in Castle Pines, CO. The company offers residents download speeds from 50 to up to 100 Mbps, and prices range from $39.99 to $94.99/mo. for 12mos. w/ 2yr. Agmt
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HughesNet Deals for October 2025 in Castle Pines, CO
HughesNet Internet is available in Castle Pines, CO. The company offers residents download speeds from 50 to up to 100 Mbps, and prices range from $39.99 to $94.99/mo. for 12mos. w/ 2yr. Agmt
Order HughesNet Internet for Castle Pines, CO
SPECIAL OFFER
30 DAY TRIAL! Satellite Internet
Speeds up to 300 Mbps
Plans Starting at $80/mo. w/No Annual Contract
*Offers and availability may vary by location & are subject to change.
Starlink Deals for October 2025 in Castle Pines, CO
Starlink Internet is available in Castle Pines, CO. The company offers residents download speeds from 130 to up to 300 Mbps, and prices range from $80 to $120/mo. w/No Annual Contract
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Starlink Deals for October 2025 in Castle Pines, CO
Starlink Internet is available in Castle Pines, CO. The company offers residents download speeds from 130 to up to 300 Mbps, and prices range from $80 to $120/mo. w/No Annual Contract
Order Starlink Internet for Castle Pines, CO
Top TV Provider in Castle Pines, CO
Sling TV
- No annual contracts
- Unparalleled flexibility
- Your favorite channels
- Live TV made easy
- Watch on all your favorite devices
Sling television pricing starting at: $23
1-844-280-0651 *Restrictions apply. $23 for your first month then $45.99 after.
Castle Pines, CO Residential Internet Stats
In the city of Castle Pines, CO, you should have access to roughly Internet service providers (ISP’s), Quantum Fiber is the largest provider in the area, with service available to a majority of households. If you have any questions, or need help getting your Internet setup, please feel free to contact one of our helpful customer service representatives today!
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Find Castle Pines Internet Providers with the Best Deals
Having a fast and reliable internet connection in Castle Pines, CO is essential for exploring and enjoying all the wonderful attractions and activities the city has to offer. Whether you want to stay connected with friends and family, stream your favorite shows and movies, or research local attractions, a quality internet connection is a must.
Castle Pines is home to many exciting attractions, such as the Castle Pines City Government, where you can find information about local events and services. The Castle Pines Trail Map is also available online, allowing you to plan your outdoor adventures. Additionally, the Castle Pines Parks and Open Space Map provides details about the city's beautiful parks and recreational areas.
Best Internet Provider in Castle Pines, CO
Quantum Fiber is the top choice for internet service in Castle Pines. They offer various connectivity options, including Fiber, which provides lightning-fast speeds of up to 8000 Mbps. With prices as low as $30 for speeds of 200 Mbps, Quantum Fiber ensures you get superior internet performance at an affordable price.
The next best option for internet in Castle Pines is T-Mobile, with plans starting at $35 for speeds of 300 Mbps. Although T-Mobile offers competitive speeds, the top speed available is 400 Mbps.
Other internet providers in Castle Pines include CenturyLink, Xfinity, Viasat, HughesNet, Starlink. For detailed information on pricing and speeds for plans from all these providers, you can visit this page.
Best Satellite Internet Provider in Castle Pines, CO
Sometimes, satellite internet services are the best option for people in certain areas. They provide connectivity in remote locations where traditional wired connections may not be available. In Castle Pines, Viasat is the leading satellite internet provider, offering plans starting at $69.99.
Summary
Having a great internet connection in Castle Pines allows you to fully enjoy all the attractions and activities the city has to offer. Whether you're exploring the beautiful parks, staying updated with local events, or simply staying connected with loved ones, a reliable internet connection is essential.
Internet access in Castle Pines, CO
8000Mbps
$30/mo
5
Compare all Internet service providers in Castle Pines, CO
The leading Internet service provider (ISP) in Castle Pines, CO is Quantum Fiber Fiber Internet. Download speeds up to 8000 Mbps have been reported in Castle Pines, CO. Internet service plans start as low as $30 per month.
| Provider | Connection | Max Download | Contact |
|---|---|---|---|
| Quantum Fiber | Fiber Internet | Up to 8,000 Mbps | 1-833-933-2468 |
| T-Mobile | Fixed wireless Internet | Up to 400 Mbps | 1-833-933-2468 |
| CenturyLink | Dsl Internet | Up to 100 Mbps | 1-833-933-2468 |
| Xfinity | Cable Internet | Up to 1,000 Mbps | 1-833-933-2468 |
| Viasat | Satellite Internet | Up to 150 Mbps | 1-833-933-2468 |
| HughesNet | Satellite Internet | Up to 100 Mbps | 1-833-933-2468 |
| Starlink | Satellite Internet | Up to 300 Mbps | 1-833-933-2468 |
| Kellin Communications | Fixed Wireless Internet | Up to 50 Mbps | - |
| XtreamInternet | Fixed Wireless Internet | Up to 40 Mbps | - |
Most popular cities with Internet around Castle Pines
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