Best Cell Phone Carriers & Coverage in San Antonio

Best Cell Phone Carriers & Coverage in San Antonio

“Deep in my heart lies a melody,” goes the tune, “A song of old San Antone.”

Situated in south-central Texas on the banks of San Antonio River, the “River City” is a picturesque town that’s perhaps best known as the site of the Alamo, where in 1836 a modest cadre of Texans attempted to defend their territory from an army of Mexican soldiers. Today, San Antonio is home to one of the largest concentrations of military installations in the United States, the perennially successful San Antonio Spurs basketball team, theme parks, rodeos, and nearly 1.5 million residents.

As the second-most populous city in Texas, San Antonio is a bustling metropolis with high-tech demands. This includes proper cell coverage, which, fortunately, the four major networks have recognized. AT&T, Sprint, T-Mobile and Verizon all provide solid reception to San Antonians, and access to their 4G LTE networks is readily available.

Coverage in San Antonio At-a-Glance

All is well when it comes to cell phone coverage in San Antonio, as the city earns an exceptional score of 99 out of 100. Here’s a full list of coverage ratings by U.S. city.

What we love

All four carriers offer great coverage

Competitive market with lots of choice

4G LTE widely available

What could be improved

Coverage patchy in Woodlawn Lake area

Coverage uncertain in Cross Mountain/Grey Forest area

Carrier Network Coverage in San Antonio

While no carrier’s perfect, all four of the major networks perform well throughout San Antonio. AT&T and T-Mobile’s networks blanket San Antonio, while Verizon and Sprint are only a hair off.

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Geographic Area Covered in San Antonio, Texas per mi2

Network Percentage Geographic Area Covered

AT&T 100.00% 901.72

Verizon 99.99% 901.65

T-Mobile 100.00% 901.72

Sprint 99.95% 901.29

Coverage data generated August 2019 from carrier maps

Network Coverage Maps for San Antonio

The city of San Antonio encompasses 901.72 square miles, and the most robust carriers, AT&T and T-Mobile, cover every bit of it:

Big Carriers vs. Small Carriers in San Antonio

When choosing a cell phone provider, there’s no need to limit yourself to the big companies. There are dozens of smaller carriers that run on the major networks, but charge a fraction of the price for service. Known as Mobile Virtual Network Operators (MVNOs for short), these carriers purchase network service from the major providers at wholesale prices, then pass the savings on to consumers.

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Click on the logos below to see which MVNOs run on which major networks:



Verizon Wireless


Getting the Best Plan & Coverage

WhistleOut’s industry-leading coverage check feature supercharges an already robust comparison engine by allowing you to instantly see what coverage is like at your location. Just punch in your address, and we’ll do the rest.

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In addition to showing you a map of your area with the coverage from all four major carriers, we filter through the available cell phone plans and present only those from carriers who provide good reception to you.

Popular Cell Phone Carriers in San Antonio

Here’s the full list of wireless carriers (big and small) in San Antonio, and the networks that they belong to. Note that the smaller carriers—Cricket, Metro, Boost, etc.—utilize the networks of the major carriers.

One More Thing: Using Public WiFi in San Antonio

San Antonio offers free WiFi in a variety of public spaces, including libraries, museums, and parks. Check out a small sampling of some of the places offering free WiFi below. This is handy when you want to save your cellular data.

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San Antonio Spots with Public WiFi

San Antonio International Airport

AT&T Center

Public Libraries

Freetail Brewing Company

The Hoppy Monk

Little Italy

Local Coffee Can you buy a SIM card in

The Block SA

Hotel Valencia Riverwalk

Yard House


Shopping Areas

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