Google Fi Coverage Map (2025)

Google Fi is a small carrier, or MVNO, that’s owned by tech behemoth Google and primarily uses T-Mobile to provide coverage to its customers. 

This reliance on T-Mobile’s national system of networks is good news for Google Fi customers, since T-Mobile boasts the most wide-reaching 5G coverage in the country. Better still, subscribers who purchase a phone from Google Fi directly can access the carrier’s system of extended networks for coverage in even more places. 

In this article, we’ll tell you everything you need to know about Google Fi coverage and its national coverage map, so you can know before you sign up. 

Google Fi Coverage Map

Google Fi mostly uses T-Mobile's 4G LTE and 5G networks to deliver good to excellent coverage to its customers throughout the United States. As mentioned, the carrier also makes use of “extended networks” to provide additional coverage to customers who buy a phone directly from the carrier. 

Keep in mind that T-Mobile prioritizes its core customers on the network during congestion; if the network is especially busy, Google Fi customers may experience slightly slower speeds than T-Mobile customers. Use the map below to check out T-Mobile's—and by extension, Google Fi's—4G and 5G coverage: 

Google Fi 4G LTE Coverage

T-Mobile's 4G LTE network, which Google Fi relies on, covers approximately 43% of the United States. This coverage is robust in urban and suburban areas but may be less comprehensive in rural regions, particularly in parts of the Mountain West and inland Pacific Northwest.

Google Fi 5G Coverage

Google Fi’s 5G service, powered by T-Mobile, spans 36% of the United States—more than any other carrier. That means Google Fi customers get access to the fastest cellular service around in most of the country’s urban and suburban areas. 

Google Fi Coverage vs. Other Carriers

The small carrier market in the United States is a crowded one, and consumers have more choices than ever. Each of these carriers make use of larger networks to provide service to their customers—but how does their coverage compare? The handy chart below can help give you a sense of how Google Fi’s national network stacks up against the likes of Cricket Wireless and Visible. Note that Visible uses Verizon’s system of networks, while Cricket uses AT&T’s. 

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As these numbers indicate, Cricket boasts the most 4G LTE coverage across the country, while Google Fi customers enjoy the most 5G coverage. 

Google Fi Cell Phone Plans

Google Fi offers a variety of cell phone plans designed to cater to different user needs. All plans include access to T-Mobile's extensive 4G LTE and 5G networks, ensuring reliable coverage and data speeds.

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Here are some of Google Fi's most popular plans:

• Flexible Plan: Starting at $20/month for unlimited talk and text, with data billed at $10 per GB. This plan is ideal for users with variable data usage.
• Simply Unlimited Plan: Priced at $60/month for a single line, this plan offers unlimited data, plus a 5GB hotspot allowance. 
• Unlimited Plus Plan: At $65/month for a single line, this plan includes unlimited domestic data, unlimited international data in 200 countries, unlimited hotspot tethering, and 6 months of YouTube Premium for free. 

All of Google Fi’s plans come with 5G access at no extra cost, provided you have a compatible device. It's important to note that during network congestion, data speeds may be slower, especially for users on the Simply Unlimited and Flexible plans.

The Bottom Line

Google Fi offers extensive coverage by leveraging T-Mobile's networks, providing users with reliable 4G LTE and 5G service across much of the United States. While its 4G LTE coverage may not be as expansive as some competitors, its leading 5G reach ensures that many users can enjoy high-speed data in various locations. With a range of flexible and unlimited plans, Google Fi caters to diverse user needs, making it a viable option for those seeking adaptable mobile service.

Frequently Asked Questions

What networks does Google Fi use for coverage?

Google Fi operates as a mobile virtual network operator (MVNO), primarily utilizing T-Mobile's network for coverage.

How does Google Fi's coverage compare to other major carriers?

Google Fi's coverage, through T-Mobile, reaches approximately 43% of the U.S. for 4G LTE services, which is less than Verizon's AT&T. However, in terms of 5G coverage, Google Fi leads with access to T-Mobile's network covering over 36% of the country, surpassing both AT&T and Verizon.

How can I check Google Fi's coverage in my area?

To determine Google Fi's coverage in your specific location, you can use our interactive coverage map. Zoom in to find detailed information about the availability of 4G LTE and 5G services in your area.