In San Francisco County, you’ll select from 3 mobile wireless carriers listed below. 99.9% of San Francisco County’s land area is covered by some kind of wireless service, as are 100.00% of San Francisco County’s 873,965 residents. 5G reception covers up to 99.98% of people while they are sitting at home. Note that we may have a financial relationship with some of the San Francisco County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
San Francisco County, CA 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 Francisco County
Coverage:
100.00% of San Francisco County
97.12% of the USA
Data Speeds:
5G: 92.88% 4G: 99.85% 3G or 2G: 100.00%
More about T-Mobile in San Francisco County
T-Mobile Data Speeds and Coverage in San Francisco County
T-Mobile covers 100.00% 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 Francisco County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
92.88% |
91.14% |
4G |
99.85% |
98.63% |
2G or 3G |
100.00% |
99.88% |
5G is the fastest wireless internet and data speed for 92.88% 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 #2 out of 3 for a combination of coverage and speed among San Francisco County mobile providers.
T-Mobile Voice Quality in San Francisco County
5G voice quality can be very clear, and is available to 92.88% of homes. 4G voice is considered HD, and is available at 99.98% of San Francisco County homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Verizon Wireless 5G available in San Francisco County
Coverage:
99.98% of San Francisco County
96.15% of the USA
Data Speeds:
5G: 90.20% 4G: 99.98% 3G or 2G: 99.98%
More about Verizon Wireless in San Francisco County
Verizon Wireless Data Speeds and Coverage in San Francisco County
Verizon 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 Francisco County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
90.20% |
90.43% |
4G |
99.98% |
99.00% |
2G or 3G |
99.98% |
99.00% |
5G is the fastest wireless internet and data speed for 90.20% 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 Verizon Wireless as #3 out of 3 for a combination of coverage and speed among San Francisco County mobile providers.
Verizon Wireless Voice Quality in San Francisco County
5G voice quality can be very clear, and is available to 90.20% of homes. 4G voice is considered HD, and is available at 99.98% of San Francisco County homes. 99.98% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in San Francisco County
Coverage:
99.92% of San Francisco County
96.67% of the USA
Data Speeds:
5G: 99.90% 4G: 99.92% 3G or 2G: 99.92%
1-833-652-2264
More about AT&T Wireless in San Francisco County
AT&T Wireless Data Speeds and Coverage in San Francisco County
AT&T Wireless covers 99.92% 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 Francisco County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
99.90% |
98.75% |
4G |
99.92% |
98.95% |
2G or 3G |
99.92% |
99.24% |
5G is the fastest wireless internet and data speed for 99.90% 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 AT&T Wireless as #1 out of 3 for a combination of coverage and speed among San Francisco County mobile providers.
AT&T Wireless Voice Quality in San Francisco County
5G voice quality can be very clear, and is available to 99.90% of homes. 4G voice is considered HD, and is available at 99.92% of San Francisco County homes. 99.92% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of San Francisco County homes that would be covered by cellular service of any kind, unless specified as San Francisco County land area.
Fastest Cell Service Down to the San Francisco County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in San Francisco County, CA. Areas with no clear winner are shown as ties.
Overall, San Francisco County ranks #1367 out of 3619 counties for the fastest mobile internet network speeds in California.
The central parts of the county feature better overall coverage for faster data. The opposite is true in the southeastern areas of San Francisco County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in San Francisco 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 Francisco County. AT&T Wireless has 5G that covers 99.90% of the county. Cell service of any type reaches 100.00% of San Francisco County homes.
Cheap Options for Mobile Service in San Francisco County, CA
If the price of a San Francisco County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in San Francisco 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 Francisco 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.
San Francisco County, CA Mobile Network Coverage Maps | Voice, 4G & 5G
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Your mobile coverage in San Francisco 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 Francisco County covering 99.98% of homes in the area while 4G covers 99.98% of the county. Overall, 100.00% of homes (873,965 people) and 99.9% of the land (46.9 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in San Francisco County
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5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in San Francisco County cover 99.98% of homes with 5G voice and data. In total 98.97% or 46.4 square miles of San Francisco County are covered by 5G. The best 5G coverage in San Francisco County comes from AT&T Wireless with 99.90% coverage.
4G Coverage Map and Availability in San Francisco County
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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 Francisco County, 99.98% of the area is covered by 4G data, and 99.98% is covered by 4G HD voice service. T-Mobile and Verizon Wireless has the best 4G network in San Francisco County with 99.98% coverage.
Selecting the Best Cell Provider in San Francisco 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 Francisco County houses is best with service from T-Mobile, with 100.00% of homes covered.
- The best coverage across all San Francisco County land is provided by T-Mobile at 99.94% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 99.90% in San Francisco County.
- The top estimated average speed in San Francisco County, estimated at 70.93, Mbps is available through AT&T Wireless.
Mobile Service Counties Near San Francisco County
If you live near San Francisco 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 Francisco County:
Counties close to San Francisco County
- Alameda County, CA: worse coverage
- Stanislaus County, CA: worse coverage
- Mono County, CA: worse coverage
- Esmeralda County, NV: worse coverage
- Lincoln County, NV: worse coverage
- Iron County, UT: worse coverage
- Garfield County, UT: worse coverage
- Dolores County, CO: worse coverage
- San Juan County, CO: worse coverage
- Mineral County, CO: worse coverage
Counties with similar populations to San Francisco County
- Denton County, TX: worse coverage
- Erie County, NY: worse coverage
- Prince George's County, MD: worse coverage
- Fairfield County, CT: worse coverage
- Pierce County, WA: worse coverage
- Gwinnett County, GA: better coverage
- Kern County, CA: worse coverage
- Bergen County, NJ: better coverage
- Ventura County, CA: worse coverage
- Snohomish County, WA: worse coverage