In San Bernardino County, you’ll select from 4 mobile wireless carriers listed below. 96.7% of San Bernardino County’s land area is covered by some kind of wireless service, as are 100.00% of San Bernardino County’s 2,135,412 residents. 5G reception covers up to 98.79% of people while they are sitting at home. Note that we may have a financial relationship with some of the San Bernardino County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
San Bernardino County, CA Top Cell Providers
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.
Plans include 5G where available.
Coverage:
Verizon Network
Data Speeds:
Same as Verizon below
Plans start at $30/mo.
View plans
Visible offers unlimited data, talk and text for $30/month powered by Verizon.
AT&T Wireless 5G available in San Bernardino County
Coverage:
99.98% of San Bernardino County
98.83% of the USA
Data Speeds:
5G: 97.41%
4G: 99.93%
3G or 2G: 99.97%
More about AT&T Wireless in San Bernardino County
AT&T Wireless Data Speeds and Coverage in San Bernardino County
AT&T Wireless covers 99.98% of homes in the county 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 Bernardino County) is shown below.
Tech |
% Homes |
% Land |
---|---|---|
5G |
97.41% |
47.42% |
4G |
99.93% |
93.44% |
2G or 3G |
99.97% |
91.61% |
5G is the fastest wireless internet and data speed for 97.41% of homes. 4G is the fastest cell coverage for 2.52% of homes. 0.00% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #1 out of 4 for a combination of coverage and speed among San Bernardino County mobile providers.
AT&T Wireless Voice Quality in San Bernardino County
5G voice quality can be very clear, and is available to 97.41% of homes. 4G voice is considered HD, and is available at 99.93% of San Bernardino County homes. 99.97% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in San Bernardino County
Coverage:
99.91% of San Bernardino County
99.34% of the USA
Data Speeds:
5G: 92.48%
4G: 99.89%
3G or 2G: 99.62%
Plans start at $30/mo.
More about T-Mobile in San Bernardino County
T-Mobile Data Speeds and Coverage in San Bernardino County
T-Mobile covers 99.91% of homes in the county 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 Bernardino County) is shown below.
Tech |
% Homes |
% Land |
---|---|---|
5G |
92.48% |
55.92% |
4G |
99.89% |
75.48% |
2G or 3G |
99.62% |
59.51% |
5G is the fastest wireless internet and data speed for 92.48% of homes. 4G is the fastest cell coverage for 7.41% of homes. 0.00% of homes can only receive 2G or 3G data. We rank T-Mobile as #2 out of 4 for a combination of coverage and speed among San Bernardino County mobile providers.
T-Mobile Voice Quality in San Bernardino County
5G voice quality can be very clear, and is available to 92.48% of homes. 4G voice is considered HD, and is available at 99.89% of San Bernardino County homes. 99.68% of homes can make calls using older 2G or 3G voice technology.
Coverage:
100.00% of San Bernardino County
98.82% of the USA
Data Speeds:
4G: 100.00%
3G or 2G: 99.96%
Plans start at $35/mo.
More about Verizon Wireless in San Bernardino County
Verizon Wireless Data Speeds and Coverage in San Bernardino County
Verizon Wireless covers 100.00% of homes in the county 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 Bernardino County) is shown below.
Tech |
% Homes |
% Land |
---|---|---|
4G |
100.00% |
92.63% |
2G or 3G |
99.96% |
75.38% |
4G is the fastest cell coverage for 100.00% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Verizon Wireless as #3 out of 4 for a combination of coverage and speed among San Bernardino County mobile providers.
Verizon Wireless Voice Quality in San Bernardino County
4G voice is considered HD, and is available at 100.00% of San Bernardino County homes. 99.90% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of San Bernardino County homes that would be covered by cellular service of any kind, unless specified as San Bernardino County land area.
Fastest Cell Service Down to the San Bernardino County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in San Bernardino County, CA. Areas with no clear winner are shown as ties.
Overall, San Bernardino County ranks #1777 out of 3658 counties for the fastest mobile internet network speeds in California.


Best San Bernardino County Cell Provider Key
The southern parts of the county feature better overall coverage for faster data. The opposite is true in the central areas of San Bernardino County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in San Bernardino County, CA: AT&T Wireless
Among the largest cell phone companies in the United States, AT&T Wireless has the best speed and coverage in San Bernardino County. AT&T Wireless has 5G that covers 97.41% of the county. Cell service of any type reaches 100.00% of San Bernardino County homes.
Cheap Options for Mobile Service in San Bernardino County, CA
If the price of a San Bernardino County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in San Bernardino County 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 Bernardino County 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 Bernardino County, CA
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in San Bernardino County, 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 Bernardino County and the providers’ coverage areas.
Coverage:
10.03% of San Bernardino County
1.19% of the USA
Data Speeds:
4G: 7.79%
3G or 2G: 2.24%
More about Choice Wireless in San Bernardino County
Choice Wireless Data Speeds and Coverage in San Bernardino County
Choice Wireless covers 10.03% of homes in the county 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 Bernardino County) is shown below.
Tech |
% Homes |
% Land |
---|---|---|
4G |
7.79% |
0.06% |
2G or 3G |
2.24% |
17.73% |
4G is the fastest cell coverage for 7.79% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Choice Wireless as #4 out of 4 for a combination of coverage and speed among San Bernardino County mobile providers.
Choice Wireless Voice Quality in San Bernardino County
4G voice is considered HD, and is available at 7.79% of San Bernardino County homes. 2.24% of homes can make calls using older 2G or 3G voice technology.
San Bernardino County, CA Mobile Network Coverage Maps | Voice, 4G & 5G


San Bernardino County Fastest Speeds Key
Your mobile coverage in San Bernardino County may vary based on your provider and location. The map above shows the fastest mobile data speeds in and around the county. 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 Bernardino County covering 98.79% of homes in the area while 4G covers 100.00% of the county. Overall, 100.00% of homes (2,135,463 people) and 96.7% of the land (18,775.5 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in San Bernardino County


San Bernardino County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in San Bernardino County cover 98.79% of homes with 5G voice and data. In total 63.61% or 12,345.5 square miles of San Bernardino County are covered by 5G. The best 5G coverage in San Bernardino County comes from AT&T Wireless with 97.41% coverage.
4G Coverage Map and Availability in San Bernardino County


San Bernardino County 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 Bernardino County, 100.00% of the area is covered by 4G data, and 100.00% is covered by 4G HD voice service. Verizon Wireless has the best 4G network in San Bernardino County with 100.00% coverage.
Selecting the Best Cell Provider in San Bernardino County for You
If you’re still struggling to choose a cell phone provider in the county, some of these facts may help you decide:
- Coverage to San Bernardino County houses is best with service from Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all San Bernardino County land is provided by AT&T Wireless at 94.55% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 97.41% in San Bernardino County.
- The top estimated average speed in San Bernardino County, estimated at 70.17, Mbps is available through AT&T Wireless.
Mobile Service Near San Bernardino County
If you live near San Bernardino County but aren’t technically in the county, 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 Bernardino County:
Counties close to San Bernardino County
- Riverside County, CA: better mobile coverage
- Orange County, CA: better mobile coverage
- Los Angeles County, CA: better mobile coverage
- San Diego County, CA: worse mobile coverage
- Ventura County, CA: worse mobile coverage
- Kern County, CA: better mobile coverage
- Imperial County, CA: worse mobile coverage
- Clark County, NV: better mobile coverage
- Inyo County, CA: worse mobile coverage
- La Paz County, AZ: worse mobile coverage
Counties with similar populations to San Bernardino County
- Clark County, NV: better mobile coverage
- King County, WA: better mobile coverage
- Tarrant County, TX: better mobile coverage
- Santa Clara County, CA: worse mobile coverage
- Broward County, FL: better mobile coverage
- Bexar County, TX: better mobile coverage
- Queens County, NY: better mobile coverage
- Riverside County, CA: better mobile coverage
- Wayne County, MI: better mobile coverage
- Dallas County, TX: better mobile coverage