In Napa County, you’ll select from 4 mobile wireless carriers listed below. 99.3% of Napa County’s land area is covered by some kind of wireless service, as are 99.97% of Napa County’s 140,530 residents. 5G reception covers up to 88.07% of people while they are sitting at home. Note that we may have a financial relationship with some of the Napa County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Napa 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 Napa County
Coverage:
99.93% of Napa County
98.83% of the USA
Data Speeds:
5G: 82.95%
4G: 98.06%
3G or 2G: 99.93%
More about AT&T Wireless in Napa County
AT&T Wireless Data Speeds and Coverage in Napa County
AT&T Wireless covers 99.93% 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 Napa County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
82.95% |
19.76% |
4G |
98.06% |
85.74% |
2G or 3G |
99.93% |
98.60% |
5G is the fastest wireless internet and data speed for 82.95% of homes. 4G is the fastest cell coverage for 15.11% 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 Napa County mobile providers.
AT&T Wireless Voice Quality in Napa County
5G voice quality can be very clear, and is available to 82.95% of homes. 4G voice is considered HD, and is available at 98.06% of Napa County homes. 99.93% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Napa County
Coverage:
98.40% of Napa County
99.34% of the USA
Data Speeds:
5G: 75.04%
4G: 98.30%
3G or 2G: 95.00%
Plans start at $30/mo.
More about T-Mobile in Napa County
T-Mobile Data Speeds and Coverage in Napa County
T-Mobile covers 98.40% 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 Napa County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
75.04% |
34.02% |
4G |
98.30% |
84.29% |
2G or 3G |
95.00% |
49.71% |
5G is the fastest wireless internet and data speed for 75.04% of homes. 4G is the fastest cell coverage for 23.26% 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 Napa County mobile providers.
T-Mobile Voice Quality in Napa County
5G voice quality can be very clear, and is available to 75.04% of homes. 4G voice is considered HD, and is available at 98.30% of Napa County homes. 95.05% of homes can make calls using older 2G or 3G voice technology.
Coverage:
99.89% of Napa County
98.82% of the USA
Data Speeds:
4G: 99.87%
3G or 2G: 99.63%
Plans start at $35/mo.
More about Verizon Wireless in Napa County
Verizon Wireless Data Speeds and Coverage in Napa County
Verizon Wireless covers 99.89% 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 Napa County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
99.87% |
97.91% |
2G or 3G |
99.63% |
91.67% |
4G is the fastest cell coverage for 99.87% 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 Napa County mobile providers.
Verizon Wireless Voice Quality in Napa County
4G voice is considered HD, and is available at 99.87% of Napa County homes. 99.52% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Napa County homes that would be covered by cellular service of any kind, unless specified as Napa County land area.
Fastest Cell Service Down to the Napa County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Napa County, CA. Areas with no clear winner are shown as ties.
Overall, Napa County ranks #2506 out of 3658 counties for the fastest mobile internet network speeds in California.
Best Napa County Cell Provider Key
The central parts of the county feature better overall coverage for faster data. The opposite is true in the northeastern areas of Napa County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Napa 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 Napa County. AT&T Wireless has 5G that covers 82.95% of the county. Cell service of any type reaches 99.93% of Napa County homes.
Cheap Options for Mobile Service in Napa County, CA
If the price of a Napa County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Napa 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 Napa 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 Napa County, CA
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in Napa 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 Napa County and the providers’ coverage areas.
Coverage:
0.03% of Napa County
9.86% of the USA
Data Speeds:
4G: 0.02%
3G or 2G: 0.03%
Plans start at $30/mo.
More about US Cellular in Napa County
US Cellular Data Speeds and Coverage in Napa County
US Cellular covers 0.03% 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 Napa County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
0.02% |
0.09% |
2G or 3G |
0.03% |
0.13% |
4G is the fastest cell coverage for 0.02% of homes. 0.01% of homes can only receive 2G or 3G data. We rank US Cellular as #4 out of 4 for a combination of coverage and speed among Napa County mobile providers.
US Cellular Voice Quality in Napa County
4G voice is considered HD, and is available at 0.02% of Napa County homes. 0.03% of homes can make calls using older 2G or 3G voice technology.
Napa County, CA Mobile Network Coverage Maps | Voice, 4G & 5G
Napa County Fastest Speeds Key
Your mobile coverage in Napa 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 Napa County covering 88.07% of homes in the area while 4G covers 99.87% of the county. Overall, 99.97% of homes (140,537 people) and 99.3% of the land (743.1 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Napa County
Napa County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Napa County cover 88.07% of homes with 5G voice and data. In total 40.03% or 299.6 square miles of Napa County are covered by 5G. The best 5G coverage in Napa County comes from AT&T Wireless with 82.95% coverage.
4G Coverage Map and Availability in Napa County
Napa 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 Napa County, 99.87% of the area is covered by 4G data, and 99.87% is covered by 4G HD voice service. Verizon Wireless has the best 4G network in Napa County with 99.87% coverage.
Selecting the Best Cell Provider in Napa 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 Napa County houses is best with service from AT&T Wireless, with 99.93% of homes covered.
- The best coverage across all Napa County land is provided by AT&T Wireless at 98.70% of land area covered.
- The current best 5G coverage comes from AT&T Wireless reporting 82.95% in Napa County.
- The best 4G coverage is obtainable with Verizon Wireless, covering 99.87% of Napa County.
- The top estimated average speed in Napa County, estimated at 64.94, Mbps is available through AT&T Wireless.
Mobile Service Near Napa County
If you live near Napa 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 Napa County:
Counties close to Napa County
- Solano County, CA: better mobile coverage
- Sonoma County, CA: better mobile coverage
- Marin County, CA: worse mobile coverage
- Contra Costa County, CA: better mobile coverage
- Yolo County, CA: better mobile coverage
- San Francisco County, CA: better mobile coverage
- Alameda County, CA: better mobile coverage
- Lake County, CA: better mobile coverage
- Sacramento County, CA: better mobile coverage
- Colusa County, CA: worse mobile coverage
Counties with similar populations to Napa County
- Stafford County, VA: better mobile coverage
- Douglas County, GA: better mobile coverage
- Sandoval County, NM: better mobile coverage
- Tolland County, CT: worse mobile coverage
- Florence County, SC: better mobile coverage
- Caguas Municipio, PR: better mobile coverage
- Coweta County, GA: better mobile coverage
- Scott County, MN: better mobile coverage
- Livingston Parish, LA: better mobile coverage
- Citrus County, FL: worse mobile coverage