Subscribers: 8,148,000
Xfinity Mobile is a wireless carrier from Comcast, designed to give its Internet customers affordable phone service on Verizon’s leading 5G and 4G LTE network. What sets Xfinity Mobile apart is its seamless integration with Comcast’s WiFi hotspots—providing automatic switching between mobile data and millions of Xfinity WiFi locations for more reliable coverage and potential data savings. All plans are postpaid, meaning you pay at the end of the billing cycle, and Xfinity Mobile features a range of plans from pay-per-gigabyte options to unlimited data with premium perks.
The service is available exclusively to Comcast Xfinity Internet customers, and supports the latest phones, eSIM, and family sharing for up to ten lines. Xfinity Mobile regularly offers device deals including free and discounted phones, as well as options for upgrading your device twice per year with eligible trade-ins. Customers enjoy robust features like HD video streaming, priority data access, and add-ons for smartwatches and tablets. With multi-line discounts and no contracts, Xfinity Mobile aims to be a strong value for both individuals and families who want the reliability of Verizon’s network with the convenience and savings of WiFi-first technology.
Xfinity Mobile: At a Glance
- Shareable data plans available
- Access to nationwide network of hotspots
- Variety of phones available
- Must have either Xfinity Internet, Cable, or Voice or plans cost $25 more per month
- Only limited selection of BYOD phones supported
Xfinity Mobile Phone Plans Explained
Xfinity Mobile provides three core wireless plan options, each structured to balance data needs, budget, and flexibility, with features and limits that distinguish them from typical prepaid carriers.
By the Gig Shared Plans: This plan allows customers to pay only for the data they need, offering 1GB, 3GB, or 10GB data buckets that can be shared across up to ten lines on the same account. Unlimited talk and text are always included, and each line gets hotspot access using your monthly high-speed data. If you reach your selected gigabyte limit, you’ll be automatically charged $20 for each additional gigabyte, data is rounded up at the end of the billing cycle. Customers can freely switch any line between By the Gig and Unlimited at any time, giving families or groups the ability to optimize for individual usage. Smartwatches can be added for $10/month and tablets for $20/month with 15GB of high-speed data. Data is delivered over Verizon’s nationwide 5G and 4G LTE networks, and all users receive the same high network priority as Verizon postpaid subscribers. Video streams at 720p. Notably, this plan is available only to existing Xfinity Internet customers by request, it is being phased out for new activations.
Unlimited: The base unlimited plan provides unlimited talk, text, and data with 30GB of high-speed data per line before speeds are reduced to 1.5Mbps download and 750Kbps upload for the rest of the cycle. Hotspot use is unlimited at 600Kbps after the first 30GB, and you can add smartwatches or tablets just like the By the Gig plan. Video streaming is supported up to 4K UHD on the 5G Ultra Wideband network and at 720p on 4G LTE or 5G Nationwide networks. The plan includes free Canada and Mexico roaming with 5GB of data to use in either country. Multi-line discounts are available making it more affordable as you add lines. Like all plans, this is exclusive to Xfinity Internet customers.
Premium Unlimited: This top-tier plan removes most limits, offering unlimited talk, text, and data, with premium priority data for the first 100GB used each month per line. After that, speeds may be slowed during network congestion. The first 30GB of hotspot data is available to use at up to 5G data speeds, then drops to 600Kbps. Video streaming is available in 4K UHD on Ultra Wideband 5G and 720p on other networks. This plan also features international roaming in Canada and Mexico with 5GB of high-speed data, unlimited 3G data, and spam call protection. Free phone promotions and twice-yearly upgrades are available for eligible devices, and there’s special WiFi PowerBoost for select iPhone and Samsung devices. WiFi PowerBoost can achieve speeds up to 1Gbps when connected to eligible Xfinity hotspots or XB7/XB8 home gateways. Smartwatches and tablets can be added for an extra fee, and multi-line pricing is available. Premium Unlimited requires a $25 activation fee and may be bundled with Xfinity Home Internet for further savings.
Key Things to Know About Xfinity Mobile Plans
- Available exclusively to Xfinity Internet customers, plans are not open to the general public.
- All plans are postpaid, with billing at the end of each cycle, not prepaid.
- Service is provided on Verizon’s nationwide 5G, UW and 4G LTE networks, with access to millions of Xfinity WiFi hotspots for seamless data offload.
- Up to ten lines can be added to a single account, with easy switching between By the Gig and Unlimited options.
- Multi-line discounts apply automatically for Unlimited and Premium Unlimited, reducing per-line costs as you add lines.
- Supports eSIM activation and a wide range of the latest iPhone and Android devices.
- Device promotions are frequent, including free and discounted phones with eligible trade-ins.
- Smartwatches and tablets can be added as additional lines, with tablets receiving 15GB of high-speed data.
- All plans include hotspot data usage, though speeds and amounts vary by plan.
- Canada and Mexico roaming included on Unlimited and Premium Unlimited plans (with high-speed limits before slowdowns apply).
- Video streaming quality varies: up to 4K UHD on select networks for Unlimited and Premium Unlimited; 720p on By the Gig and some LTE connections.
- Spam call protection, visual voicemail, WiFi calling, and premium network prioritization are included features.
- Activation requires a $25 fee for Premium Unlimited plans.
How to Choose the Best Xfinity Mobile Plan
Choosing the right Xfinity Mobile plan depends on your personal data needs, number of lines, and how much flexibility or international coverage you want. Light users who rarely use cellular data or want to share a small data pool across multiple lines may benefit from the By the Gig plan. Households with moderate to heavy data users, or those who want to avoid overage charges should consider the Unlimited or Premium Unlimited plans, especially as per-line prices drop with more lines.
Travelers who require Canada and Mexico roaming, users who need consistent high-speed hotspot data, or those who want 4K streaming and device perks will get the most value from Premium Unlimited. If you regularly switch between different data needs or want the ability to change your plan as you go, Xfinity Mobile’s mix-and-match system (allowing lines to change between By the Gig and Unlimited as needed) can maximize savings and flexibility. Don’t forget to factor in Xfinity’s device deals and the cost of adding smartwatches or tablets to your account.
Browse the Xfinity Mobile phone plans below to see full details and click through for in-depth breakdowns of each plan. Or, compare all carriers here.
Xfinity Mobile Phone Plans
Xfinity Mobile By The Gig 1GB Shared
Networks Used: Verizon
- This plan appears to be getting phased out
- This plan is only available to Comcast Infinity Internet subscribers, who contact an Xfinity representative to request it. It is not available online
- Data is shareable between devices, up to 10 lines per account based on credit check at no extra charge
- Priced By the Gig at $15 for 1GB, or 3GB for $30, or 10GB for $60
- Overages priced at $20/GB and data used at the end of a billing cycle is automatically rounded up to next GB
- Any line can switch between shared By the Gig or upgrade to Unlimited data for $45/line
- Add a smartwatch to the plan for $10/month
- Tablets can be added for $20/month and include 15GB of high-speed data
- WiFi calling and texting available on iPhones and select Android devices
- Get unlimited calling to Mexico and Canada for $10/month
- Includes 5G network access
- Includes high-level network priority access the same as or similar to Verizon Postpaid subscribers
- 720p video streaming
Xfinity Mobile Unlimited
Networks Used: Verizon
- This plan is only available to Comcast Infinity Internet subscribers
- WiFi calling and texting available on iPhones and select Android devices
- Includes premium priority data
- After 30GB of data gets used in a month, data speeds get reduced to 1.5Mbps download and 750 Kbps upload until the next billing cycle
- Unlimited 3G hotspot at 600Kbps
- Video streaming is at a resolution of up to 4K when using a 5G device and connected to Xfinity Mobile’s 5G Ultra-wideband network. When using a 5G device and connected to a 4G LTE network or 5G Nationwide video streams at 720p.
- Add a smartwatch to the plan for $10/month
- Tablets can be added for $20/month and include 15GB of high-speed data
- Includes Canada and Mexico roaming with 5GB of monthly data to use in either country
- Up to 10 lines per account based on credit check
Xfinity Mobile Premium Unlimited
Networks Used: Verizon
- Available exclusively to Comcast Xfinity Internet subscribers
- Supports WiFi calling and texting on iPhones and select Android models
- Provides premium, prioritized data access
- After 100GB of monthly data usage, speeds may be slowed during times of heavy network congestion
- Hotspot usage includes 30GB at full speed; thereafter, speeds are limited to 600Kbps
- 4K UHD video streaming supported on 5G devices connected to Xfinity Mobile’s 5G Ultra-Wideband network; 720p streaming when connected to 4G LTE or 5G Nationwide networks
- Apple and Samsung smartwatches can be added for $10 per month
- Tablets can be added for $20 per month, which includes 15GB of high-speed data
- Roaming in Mexico and Canada included, with 5GB of high-speed data available before speeds are reduced to 256Kbps
- Customers may have up to 10 lines per account, subject to a credit check
- Spam call protection is included with the plan
- Device promotions include free phones and the ability to upgrade devices up to twice per year, even if the device is not fully paid off; full trade-in value is only available for fully paid devices
- WiFi PowerBoost available — iPhone 12 models and newer, along with select Samsung devices, can achieve speeds up to 1Gbps when connected to eligible Xfinity hotspots or XB7/XB8 home gateways
- Plan requires a $25 activation fee
- Bundling with Xfinity Home Internet (400Mbps) available for $50 per month
Xfinity Mobile Reviews: What to Expect
Recent reviews for Xfinity praise the reliability of Verizon’s network, and the cost savings for Xfinity Internet subscribers. On Trustpilot, many customers mention fast 5G speeds, flexible plan switching, and value when adding multiple lines. However, complaints have been raised about customer service experiences, issues with porting numbers, and hidden fees such as the $25 activation charge for Premium Unlimited leading to a low rating on Trustpilot if if that is something you put much value in.
Feedback on Reddit highlights strong coverage, consistent hotspot performance, and easy device promotions, but some users report challenges resolving technical issues or long waits for support. For the most current feedback, see ongoing discussions on Reddit and up-to-date user stories on Trustpilot or read any reviews that may be below.
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