In Adams County, you’ll select from 4 mobile wireless carriers listed below. 75.7% of Adams County’s land area is covered by some kind of wireless service, as are 94.20% of Adams County’s 4,379 residents. 5G reception covers up to 82.35% of people while they are sitting at home. Note that we may have a financial relationship with some of the Adams County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Adams County, ID 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.
AT&T Wireless 5G available in Adams County
Coverage:
93.00% of Adams County
96.67% of the USA
Data Speeds:
5G: 0.19% 4G: 75.80% 3G or 2G: 91.93%
1-833-652-2264
More about AT&T Wireless in Adams County
AT&T Wireless Data Speeds and Coverage in Adams County
AT&T Wireless covers 93.00% 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 Adams County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.19% |
0.91% |
4G |
75.80% |
38.40% |
2G or 3G |
91.93% |
72.65% |
5G is the fastest wireless internet and data speed for 0.19% of homes. 4G is the fastest cell coverage for 75.80% of homes. 15.94% of homes can only receive 2G or 3G data. We rank AT&T Wireless as #3 out of 4 for a combination of coverage and speed among Adams County mobile providers.
AT&T Wireless Voice Quality in Adams County
5G voice quality can be very clear, and is available to 0.19% of homes. 4G voice is considered HD, and is available at 85.13% of Adams County homes. 91.93% of homes can make calls using older 2G or 3G voice technology.
T-Mobile 5G available in Adams County
Coverage:
91.91% of Adams County
97.12% of the USA
Data Speeds:
5G: 84.09% 4G: 80.10% 3G or 2G: 86.52%
More about T-Mobile in Adams County
T-Mobile Data Speeds and Coverage in Adams County
T-Mobile covers 91.91% 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 Adams County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
84.09% |
31.93% |
4G |
80.10% |
33.66% |
2G or 3G |
86.52% |
42.65% |
5G is the fastest wireless internet and data speed for 84.09% 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 4 for a combination of coverage and speed among Adams County mobile providers.
T-Mobile Voice Quality in Adams County
5G voice quality can be very clear, and is available to 84.09% of homes. 4G voice is considered HD, and is available at 91.75% of Adams County homes. 86.71% of homes can make calls using older 2G or 3G voice technology.
Coverage:
92.40% of Adams County
96.15% of the USA
Data Speeds:
4G: 85.41% 3G or 2G: 89.49%
More about Verizon Wireless in Adams County
Verizon Wireless Data Speeds and Coverage in Adams County
Verizon Wireless covers 92.40% 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 Adams County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
85.41% |
43.06% |
2G or 3G |
89.49% |
56.54% |
4G is the fastest cell coverage for 85.41% of homes. 0.00% of homes can only receive 2G or 3G data. We rank Verizon Wireless as #2 out of 4 for a combination of coverage and speed among Adams County mobile providers.
Verizon Wireless Voice Quality in Adams County
4G voice is considered HD, and is available at 89.96% of Adams County homes. 87.55% of homes can make calls using older 2G or 3G voice technology.
Coverage percentages on this page are based on the percent of Adams County homes that would be covered by cellular service of any kind, unless specified as Adams County land area.
Fastest Cell Service Down to the Adams County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Adams County, ID. Areas with no clear winner are shown as ties.
Overall, Adams County ranks #522 out of 804 counties for the fastest mobile internet network speeds in Idaho.

Best Adams County Cell Provider Key
The southern parts of the county feature better overall coverage for faster data. The opposite is true in the northwestern areas of Adams County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Adams County, ID: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Adams County. T-Mobile has 5G that covers 84.09% of the county. Cell service of any type reaches 93.00% of Adams County homes.
Cheap Options for Mobile Service in Adams County, ID
If the price of a Adams County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Adams 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 Adams 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 Adams County, ID
The companies below provide service to areas smaller than the entire United States. For example, they may have a cell tower in Adams 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 Adams County and the providers’ coverage areas.
More about Eagle Telephone System in Adams County
Eagle Telephone System Data Speeds and Coverage in Adams County
Eagle Telephone System covers 7.14% of homes in the county with mobile data. The fastest cellular data speed available is 2G or 3G. Coverage by homes and land mass (the % of acres with cell coverage versus the total acreage in Adams County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
2G or 3G |
7.14% |
10.51% |
7.14% of homes can only receive 2G or 3G data. We rank Eagle Telephone System as #4 out of 4 for a combination of coverage and speed among Adams County mobile providers.
Eagle Telephone System Voice Quality in Adams County
4G voice is considered HD, and is available at 0.00% of Adams County homes. 7.14% of homes can make calls using older 2G or 3G voice technology.
Adams County, ID Mobile Network Coverage Maps | Voice, 4G & 5G

Adams County Fastest Speeds Key
Your mobile coverage in Adams 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 Adams County covering 82.35% of homes in the area while 4G covers 91.59% of the county. Overall, 94.20% of homes (4,346 people) and 75.7% of the land (1,032.2 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Adams County

Adams County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Adams County cover 82.35% of homes with 5G voice and data. In total 31.36% or 427.4 square miles of Adams County are covered by 5G. The best 5G coverage in Adams County comes from T-Mobile with 84.09% coverage.
4G Coverage Map and Availability in Adams County

Adams 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 Adams County, 87.10% of the area is covered by 4G data, and 91.59% is covered by 4G HD voice service. T-Mobile has the best 4G network in Adams County with 91.75% coverage.
Selecting the Best Cell Provider in Adams 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 Adams County houses is best with service from AT&T Wireless, with 93.00% of homes covered.
- The best coverage across all Adams County land is provided by AT&T Wireless at 72.95% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 84.09% in Adams County.
- The best 4G coverage is obtainable with T-Mobile, covering 91.75% of Adams County.
- The top estimated average speed in Adams County, estimated at 59.70, Mbps is available through T-Mobile.
Mobile Service Counties Near Adams County
If you live near Adams 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 Adams County:
Counties close to Adams County
- Valley County, ID: better coverage
- Baker County, OR: worse coverage
- Wheeler County, OR: worse coverage
- Marion County, OR: better coverage
- Polk County, OR: better coverage
- Lincoln County, OR: better coverage
- Sheridan County, WY: better coverage
- Ziebach County, SD: worse coverage
- Sully County, SD: better coverage
- Spink County, SD: better coverage
Counties with similar populations to Adams County
- Adams County, ND: worse coverage
- Culebra Municipio, PR: better coverage
- Presidio County, TX: better coverage
- Rich County, UT: better coverage
- Beaverhead County, MT: better coverage
- Dewey County, SD: worse coverage
- Sargent County, ND: worse coverage
- Vieques Municipio, PR: better coverage
- Culberson County, TX: better coverage
- Grant County, SD: better coverage








