In San Juan County, you’ll select from 3 mobile wireless carriers listed below. 99.1% of San Juan County’s land area is covered by some kind of wireless service, as are 99.49% of San Juan County’s 17,788 residents. 5G reception covers up to 94.08% of people while they are sitting at home. Note that we may have a financial relationship with some of the San Juan County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
San Juan County, WA 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.
Verizon Wireless 5G available in San Juan County
Coverage:
93.08% of San Juan County
96.15% of the USA
Data Speeds:
5G: 0.03% 4G: 61.98% 3G or 2G: 92.20%
More about Verizon Wireless in San Juan County
Verizon Wireless Data Speeds and Coverage in San Juan County
Verizon Wireless covers 93.08% 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 Juan County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.03% |
0.05% |
4G |
61.98% |
47.24% |
2G or 3G |
92.20% |
89.01% |
5G is the fastest wireless internet and data speed for 0.03% of homes. 4G is the fastest cell coverage for 61.98% 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 Juan County mobile providers.
Verizon Wireless Voice Quality in San Juan County
5G voice quality can be very clear, and is available to 0.03% of homes. 4G voice is considered HD, and is available at 69.39% of San Juan County homes. 67.70% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in San Juan County
Coverage:
99.35% of San Juan County
97.12% of the USA
Data Speeds:
5G: 94.08% 4G: 92.48% 3G or 2G: 53.88%
More about T-Mobile in San Juan County
T-Mobile Data Speeds and Coverage in San Juan County
T-Mobile covers 99.35% 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 Juan County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
94.08% |
88.02% |
4G |
92.48% |
83.44% |
2G or 3G |
53.88% |
44.27% |
5G is the fastest wireless internet and data speed for 94.08% 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 Juan County mobile providers.
T-Mobile Voice Quality in San Juan County
5G voice quality can be very clear, and is available to 94.08% of homes. 4G voice is considered HD, and is available at 98.83% of San Juan County homes. 54.52% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in San Juan County
Coverage:
98.64% of San Juan County
96.67% of the USA
Data Speeds:
5G: 9.94% 4G: 81.77% 3G or 2G: 98.64%
1-833-652-2264
More about AT&T Wireless in San Juan County
AT&T Wireless Data Speeds and Coverage in San Juan County
AT&T Wireless covers 98.64% 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 Juan County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
9.94% |
6.93% |
4G |
81.77% |
75.57% |
2G or 3G |
98.64% |
98.32% |
5G is the fastest wireless internet and data speed for 9.94% of homes. 4G is the fastest cell coverage for 81.77% of homes. 0.00% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #2 out of 3 for a combination of coverage and speed among San Juan County mobile providers.
AT&T Wireless Voice Quality in San Juan County
5G voice quality can be very clear, and is available to 9.94% of homes. 4G voice is considered HD, and is available at 90.44% of San Juan County homes. 98.64% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of San Juan County homes that would be covered by cellular service of any kind, unless specified as San Juan County land area.
Fastest Cell Service Down to the San Juan County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in San Juan County, WA. Areas with no clear winner are shown as ties.
Overall, San Juan County ranks #931 out of 1451 counties for the fastest mobile internet network speeds in Washington.

The southern parts of the county feature better overall coverage for faster data. The opposite is true in the northwestern areas of San Juan County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in San Juan County, WA: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in San Juan County. T-Mobile has 5G that covers 94.08% of the county. Cell service of any type reaches 99.35% of San Juan County homes.
Cheap Options for Mobile Service in San Juan County, WA
If the price of a San Juan County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in San Juan 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 Juan 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 Juan County, WA Mobile Network Coverage Maps | Voice, 4G & 5G

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Your mobile coverage in San Juan 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 Juan County covering 94.08% of homes in the area while 4G covers 98.87% of the county. Overall, 99.49% of homes (17,788 people) and 99.1% of the land (172.4 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in San Juan County

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5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in San Juan County cover 94.08% of homes with 5G voice and data. In total 88.04% or 153.1 square miles of San Juan County are covered by 5G. The best 5G coverage in San Juan County comes from T-Mobile with 94.08% coverage.
4G Coverage Map and Availability in San Juan 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 Juan County, 95.18% of the area is covered by 4G data, and 98.87% is covered by 4G HD voice service. T-Mobile has the best 4G network in San Juan County with 98.83% coverage.
Selecting the Best Cell Provider in San Juan 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 Juan County houses is best with service from T-Mobile, with 99.35% of homes covered.
- The best coverage across all San Juan County land is provided by T-Mobile at 98.63% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 94.08% in San Juan County.
- The top estimated average speed in San Juan County, estimated at 66.80, Mbps is available through T-Mobile.
Mobile Service Counties Near San Juan County
If you live near San Juan 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 Juan County:
Counties close to San Juan County
- Whatcom County, WA: better coverage
- Skagit County, WA: better coverage
- Island County, WA: better coverage
- Clallam County, WA: better coverage
- Jefferson County, WA: better coverage
- Okanogan County, WA: worse coverage
- Ferry County, WA: worse coverage
- Stevens County, WA: worse coverage
- Pend Oreille County, WA: worse coverage
- Bonner County, ID: worse coverage
Counties with similar populations to San Juan County
- Putnam County, GA: worse coverage
- Langlade County, WI: worse coverage
- Posey County, IN: better coverage
- Pottawatomie County, KS: worse coverage
- Poweshiek County, IA: better coverage
- Prairie County, AR: worse coverage
- Pratt County, KS: worse coverage
- Prentiss County, MS: worse coverage
- Presque Isle County, MI: worse coverage
- Prince Edward County, VA: worse coverage







