In San Mateo, you’ll select from 3 mobile wireless carriers listed below. 100.0% of San Mateo’s land area is covered by some kind of wireless service, as are 100.00% of San Mateo’s 6,413 residents. 5G reception covers up to 100.00% of people while they are sitting at home. Note that we may have a financial relationship with some of the San Mateo providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
San Mateo, San Juan, PR Top Cell Providers
Starter Phones Designed for Child Safety
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile below
Plans start at $29/mo.
View plans
Built-in Parental Controls | Approved Contacts Only | Parent-Controlled Internet Access
Plans include 5G where available.
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile below
Plans start at $15/mo.
View plans
Mint Mobile provides very affordable plans using the same network as T-Mobile throughout the United States. Learn more about Mint vs. other carriers.
T-Mobile 5G available in San Mateo
Coverage:
100.00% of San Mateo
97.12% of the USA
Data Speeds:
5G: 100.00% 4G: 100.00% 3G or 2G: 100.00%
More about T-Mobile in San Mateo
T-Mobile Data Speeds and Coverage in San Mateo
T-Mobile covers 100.00% of homes in the neighborhood with mobile data. The fastest cellular data speed available is 5G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in San Mateo) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
100.00% |
100.00% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 100.00% of homes. 4G is the fastest cell coverage for 0.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank T-Mobile as #1 out of 3 for a combination of coverage and speed among San Mateo mobile providers.
T-Mobile Voice Quality in San Mateo
5G voice quality can be very clear, and is available to 100.00% of homes. 4G voice is considered HD, and is available at 100.00% of San Mateo homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of San Mateo homes that would be covered by cellular service of any kind, unless specified as San Mateo land area.
Fastest Cell Service Down to the San Mateo Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in San Mateo, San Juan, PR. Areas with no clear winner are shown as ties.
Overall, San Mateo ranks #1 out of 152 neighborhoods for the fastest mobile internet network speeds in San Juan.

Best San Mateo Cell Provider Key
Best Coverage & Data Speeds in San Mateo, San Juan, PR: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in San Mateo. T-Mobile has 5G that covers 100.00% of the neighborhood. Cell service of any type reaches 100.00% of San Mateo homes.
Cheap Options for Mobile Service in San Mateo, San Juan, PR
If the price of a San Mateo mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in San Mateo including pre-paid, no-contract plans that start as low as $15 per line. Many of these providers such as Mint, Boost, and Cricket partner with the three major carriers to provide excellent coverage nationwide. With these discount options, the price of your San Mateo wireless plan will quickly rise if you add additional lines or features such as a hotspot or unlimited data.
Plans include 5G where available.
Coverage:
T-Mobile Network
Data Speeds:
Same as T-Mobile above
Plans start at $15/mo.
View plans
Mint Mobile provides very affordable plans using the same network as T-Mobile throughout the United States.
These providers all offer excellent coverage at a lower price compared to more well-known brands. Mint is generally regarded as the most affordable provider for unlimited data, with a high "throttle cap" of 35GB. Depending on where you live, you may prefer the AT&T network coverage offered by Cricket. Boost is a good option for international travelers.
Local Mobile Providers in San Mateo, San Juan, PR
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in San Mateo, and then partner with larger national companies to provide national service for traveling customers. We display network partners to the best of our ability but cannot guarantee coverage or charges outside of San Mateo and the providers’ coverage areas.
Coverage:
100.00% of San Mateo
0.96% of the USA
Data Speeds:
4G: 100.00% 3G or 2G: 100.00%
More about Claro in San Mateo
Claro Data Speeds and Coverage in San Mateo
Claro covers 100.00% of homes in the neighborhood with mobile data. The fastest cellular data speed available is 4G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in San Mateo) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
4G is the fastest cell coverage for 100.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Claro as #3 out of 3 for a combination of coverage and speed among San Mateo mobile providers.
Claro Voice Quality in San Mateo
4G voice is considered HD, and is available at 100.00% of San Mateo homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Liberty PR 5G available in San Mateo
Coverage:
100.00% of San Mateo
0.96% of the USA
Data Speeds:
5G: 100.00% 4G: 100.00% 3G or 2G: 100.00%
More about Liberty PR in San Mateo
Liberty PR Data Speeds and Coverage in San Mateo
Liberty PR covers 100.00% of homes in the neighborhood with mobile data. The fastest cellular data speed available is 5G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in San Mateo) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
100.00% |
100.00% |
4G |
100.00% |
100.00% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 100.00% of homes. 4G is the fastest cell coverage for 0.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Liberty PR as #2 out of 3 for a combination of coverage and speed among San Mateo mobile providers.
Liberty PR Voice Quality in San Mateo
5G voice quality can be very clear, and is available to 100.00% of homes. 4G voice is considered HD, and is available at 100.00% of San Mateo homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
San Mateo, San Juan, PR Mobile Network Coverage Maps | Voice, 4G & 5G

San Mateo Fastest Speeds Key
Your mobile coverage in San Mateo may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the neighborhood. To see coverage for an individual provider, click the provider's availability maps above.
There are several types of mobile coverage to consider when evaluating a carrier’s geographic reliability. 5G is the fastest mobile data connection in San Mateo covering 100.00% of homes in the area while 4G covers 100.00% of the neighborhood. Overall, 100.00% of homes (6,413 people) and 100.0% of the land (0.3 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in San Mateo

San Mateo 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in San Mateo cover 100.00% of homes with 5G voice and data. In total 100.00% or 0.3 square miles of San Mateo are covered by 5G. The best 5G coverage in San Mateo comes from T-Mobile and Liberty PR with 100.00% coverage.
4G Coverage Map and Availability in San Mateo

San Mateo 4G Coverage Key
4G/LTE networks have become one of the nation’s most common mobile coverage types for data, and in some locations, voice calls. In San Mateo, 100.00% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. T-Mobile, Claro, and Liberty PR has the best 4G network in San Mateo with 100.00% coverage.
Selecting the Best Cell Provider in San Mateo for You
If you’re still struggling to choose a cell phone provider in the neighborhood, some of these facts may help you decide:
- Coverage to San Mateo houses is best with service from T-Mobile, Claro, and Liberty PR, with 100.00% of homes covered.
- The best coverage across all San Mateo land is provided by T-Mobile, Claro, and Liberty PR at 100.00% of land area covered.
- The current best 5G coverage comes from T-Mobile and Liberty PR reporting 100.00% in San Mateo.
- The top estimated average speed in San Mateo, estimated at 71.00, Mbps is available through T-Mobile and Liberty PR.
Mobile Service Neighborhoods Near San Mateo
If you live near San Mateo but aren’t technically in the neighborhood, or you like to explore the region a lot, your coverage availability and speeds may vary.
Enter your zip code here to find more precise mobile numbers on your exact location. Here are our mobile and cell phone guides for several popular locations in and around San Mateo:
Neighborhoods close to San Mateo
- Machuchal, San Juan, PR: worse coverage
- Monte Flores, San Juan, PR: equal coverage
- Buena Vista Santurce, San Juan, PR: equal coverage
- Urbanizacion Atlantic View, San Juan, PR: equal coverage
- Urbanizacion Floral Park, San Juan, PR: equal coverage
- Extencion Roosevelt, San Juan, PR: equal coverage
- Embalse San Jose, San Juan, PR: equal coverage
- Urbanizacion Puerto Nuevo, San Juan, PR: equal coverage
- Urbanizacion University Gdns, San Juan, PR: equal coverage
- Reparto Metropolitano, San Juan, PR: equal coverage
Neighborhoods with similar populations to San Mateo
- Highlands Park, Renton, WA: equal coverage
- South Hammond, Hammond, IN: equal coverage
- Side Creek, Aurora, CO: equal coverage
- Rosedale, Kansas City, KS: equal coverage
- Lacy, Santa Ana, CA: equal coverage
- Jardines de Country Club, Carolina, PR: equal coverage
- Italian Bowery, Chicago, IL: equal coverage
- Imperial Point, Fort Lauderdale, FL: equal coverage
- Huguenot, Staten Island, NY: equal coverage
- South Lorain, Lorain, OH: equal coverage





