Your internet service provider in Castle Rock
No Annual ContractOne internet price. 5 years. GuaranteedSave $1,400+ with our 5-Year Price Guarantee.Shop internetOffer ends 9/30/2025. Restrictions apply. Autopay w/stored bank account and paperless billing req'd. Taxes and fees extra and subj. to change. Xfinity Mobile req's Xfinity Int. Reduced speeds after 30 GB or usage/line. Data thresholds may vary.
Buy online, pick up in storeSelect in-store pickup when you shop for Xfinity Internet and pick up your equipment as soon as today at eligible addresses.Shop internet
Moving made easyXfinity provides internet service in the Castle Rock area. Set up a move or transfer your service in three simple steps.Schedule a move
Over 99.9% rock solid reliabilityThe whole crew can be online at the same time with minimal interruptions, even during peak hours.Shop internet
Xfinity MobileTry Xfinity Mobile for a yearGet an Unlimited line included with your internet plan. Ends 9/30/25.Shop mobile
Nationwide coverageWith premium data and Xfinity WiFi hotspots that are now up to 10x faster than before in millions of locations nationwide.Check coverage
X1 TVWatch anytime, anywhereEnjoy live TV, On Demand, sports, and your favorite streaming apps all in one place with Xfinity TV.Shop X1
Xumo Stream Box from XfinityAll you can streamFrom action to comedy to reality and more - there's something for everyone on the Xumo Stream Box from Xfinity.Shop
Watch what you love with NOW TVDitch the annual contracts and fees. NOW TV gives you access to your favorite live and on demand TV for on $20/mo.Shop NOW TV
StreamSaverSave 40% on your favorite streaming servicesGet Netflix, Peacock, and Apple TV+ when you add StreamSaver with Xfinity Internet.Shop StreamSaverRestrictions apply. Xfinity Internet req'd. Taxes extra. Pricing subj. to change. Compares StreamSaver ($15/mo) vs. Netflix Standard with Ads ($6.99/mo), Apple TV+ ($9.99/mo), and Peacock Premium with ads ($7.99/mo).
Xfinity Home SecurityGet enhanced protection with Xfinity HomeEnjoy total flexibility and no term contracts with Self Protection, starting at only $10/mo.Shop Home Security
Keep watch with Xfinity CamerasEasily keep an eye on your home from anywhere with Xfinity Cameras and the Xfinity app. Get notified when your camera detects motion in real time, including live HD video with night vision capabilities.Shop cameras
Comcast BusinessPowered by the nation’s largest gig-speed network, Comcast Business delivers internet, phone, TV, video monitoring, and cloud solutions.Shop Business InternetShop Business Mobile
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Xfinity Stores in Castle Rock, CO
Frequently Asked Questions
Speed: 300 Mbps
$40/mo – 1 Year Price Guarantee
$55/mo – 5 year Price Guarantee
$70/mo – Everyday Price
Speed: 500 Mbps
$55/mo – 1 Year Price Guarantee
$70/mo – 5 year Price Guarantee
$85/mo – Everyday Price
Do we provide home internet in your area? Check availability at your address!
Restrictions apply. Not available in all areas. 5-Year Price Guarantee: New Xfinity Internet customers. Limited to 300 Mbps internet and above. Requires both paperless billing and automatic payments with stored bank account (or additional $10/mo charge applies). Installation, taxes and fees, and other applicable charges extra, and subj. to change. Service limited to a single outlet. Internet: Actual speeds vary and are not guaranteed. For factors affecting speed visit xfinity.com/networkmanagement
Xfinity Mobile is only available to our Xfinity Internet post-pay customers. If you don't have Xfinity Internet yet, sign up now and begin using our mobile services. If you have Xfinity Internet, you can bring your own phone to Xfinity Mobile.
Yes, Xfinity Mobile carries the latest Apple and Samsung devices. View the latest phones, prices, and key features:
Shop iPhone 16 Series:
Shop Galaxy S25 Series:
Protect your new phone today with Xfinity Mobile Care. Add it at checkout when you purchase a new phone or tablet for damage, loss, and theft coverage.
NOW Internet is a new high-speed home internet option backed by the reliable Xfinity network to give you a consistent connection at a great value.
NOW Mobile is a flexible, affordable, prepaid mobile service backed by the Xfinity network. It’s everything you’d want from a mobile phone plan: unlimited data, calls, and texts without credit checks or long-term agreements.Get the facts about 5G home internet before you choose your next internet provider and decide for yourself!
Choose from a range of fast, reliable home internet speeds to fit your needs - from on-the-go WiFi passes to gig-speed internet. Compare options for Internet speeds in Castle Rock. See how fast your current internet or mobile plan is with our internet speed test!
Xfinity Internet prices and speeds vary by location. Compare plans and prices for your address online.
Choose the best internet service provider in Castle Rock – Xfinity! Compare home internet offers, pricing, and Xfinity availability at xfinity.com or visit your local Xfinity store to learn more about our internet services in your area.