In Foster County, you’ll select from 3 mobile wireless carriers listed below. 100.0% of Foster County’s land area is covered by some kind of wireless service, as are 100.00% of Foster County’s 3,397 residents. 5G reception covers up to 85.91% of people while they are sitting at home. Note that we may have a financial relationship with some of the Foster County providers below. This does not influence what data we show, and helps us provide high-quality, detailed information for free.
Foster County, ND 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 Foster County
Coverage:
92.14% of Foster County
97.12% of the USA
Data Speeds:
5G: 86.11% 4G: 79.83% 3G or 2G: 76.83%
More about T-Mobile in Foster County
T-Mobile Data Speeds and Coverage in Foster County
T-Mobile covers 92.14% 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 Foster County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
86.11% |
57.31% |
4G |
79.83% |
36.86% |
2G or 3G |
76.83% |
32.21% |
5G is the fastest wireless internet and data speed for 86.11% 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 Foster County mobile providers.
T-Mobile Voice Quality in Foster County
5G voice quality can be very clear, and is available to 86.11% of homes. 4G voice is considered HD, and is available at 91.16% of Foster County homes. 76.83% of homes can make calls using older 2G or 3G voice technology.
AT&T Wireless 5G available in Foster County
Coverage:
100.00% of Foster County
96.67% of the USA
Data Speeds:
5G: 0.46% 4G: 99.53% 3G or 2G: 100.00%
1-833-652-2264
More about AT&T Wireless in Foster County
AT&T Wireless Data Speeds and Coverage in Foster County
AT&T Wireless 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 Foster County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
5G |
0.46% |
0.79% |
4G |
99.53% |
97.96% |
2G or 3G |
100.00% |
100.00% |
5G is the fastest wireless internet and data speed for 0.46% of homes. 4G is the fastest cell coverage for 99.53% 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 Foster County mobile providers.
AT&T Wireless Voice Quality in Foster County
5G voice quality can be very clear, and is available to 0.46% of homes. 4G voice is considered HD, and is available at 99.88% of Foster County homes. 100.00% of homes can make calls using older 2G or 3G voice technology.
Coverage:
100.00% of Foster County
96.15% of the USA
Data Speeds:
4G: 99.64% 3G or 2G: 100.00%
More about Verizon Wireless in Foster County
Verizon Wireless Data Speeds and Coverage in Foster 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 Foster County) is shown below.
Tech |
% Homes |
% Land |
|---|---|---|
4G |
99.64% |
98.92% |
2G or 3G |
100.00% |
100.00% |
4G is the fastest cell coverage for 99.64% 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 Foster County mobile providers.
Verizon Wireless Voice Quality in Foster County
4G voice is considered HD, and is available at 100.00% of Foster 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 Foster County homes that would be covered by cellular service of any kind, unless specified as Foster County land area.
Fastest Cell Service Down to the Foster County Neighborhood
The map below shows where Verizon, AT&T, or T-Mobile are faster in Foster County, ND. Areas with no clear winner are shown as ties.
Overall, Foster County ranks #578 out of 1004 counties for the fastest mobile internet network speeds in North Dakota.

Best Foster County Cell Provider Key
The western parts of the county feature better overall coverage for faster data. The opposite is true in the northern areas of Foster County where mobile data speeds are generally slower.
Best Coverage & Data Speeds in Foster County, ND: T-Mobile
Among the largest cell phone companies in the United States, T-Mobile has the best speed and coverage in Foster County. T-Mobile has 5G that covers 86.11% of the county. Cell service of any type reaches 100.00% of Foster County homes.
Cheap Options for Mobile Service in Foster County, ND
If the price of a Foster County mobile plan is a major concern for you, cheaper mobile plans are available as well. There are several options available in Foster 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 Foster 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.
Foster County, ND Mobile Network Coverage Maps | Voice, 4G & 5G

Foster County Fastest Speeds Key
Your mobile coverage in Foster 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 Foster County covering 85.91% of homes in the area while 4G covers 100.00% of the county. Overall, 100.00% of homes (3,397 people) and 100.0% of the land (634.1 square miles) are covered by some form of cell technology.
5G Coverage Map and Availability in Foster County

Foster County 5G Coverage Key
5G is currently the most advanced network available with speeds several times faster than 4G. 5G networks in Foster County cover 85.91% of homes with 5G voice and data. In total 57.52% or 364.7 square miles of Foster County are covered by 5G. The best 5G coverage in Foster County comes from T-Mobile with 86.11% coverage.
4G Coverage Map and Availability in Foster County

Foster 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 Foster County, 99.99% 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 Foster County with 100.00% coverage.
Selecting the Best Cell Provider in Foster 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 Foster County houses is best with service from AT&T Wireless and Verizon Wireless, with 100.00% of homes covered.
- The best coverage across all Foster County land is provided by AT&T Wireless and Verizon Wireless at 100.00% of land area covered.
- The current best 5G coverage comes from T-Mobile reporting 86.11% in Foster County.
- The best 4G coverage is obtainable with Verizon Wireless, covering 100.00% of Foster County.
- The top estimated average speed in Foster County, estimated at 61.14, Mbps is available through T-Mobile.
Mobile Service Counties Near Foster County
If you live near Foster 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 Foster County:
Counties close to Foster County
- Eddy County, ND: better coverage
- Wells County, ND: worse coverage
- Griggs County, ND: worse coverage
- Stutsman County, ND: better coverage
- Nelson County, ND: worse coverage
- Kidder County, ND: worse coverage
- Barnes County, ND: better coverage
- Steele County, ND: worse coverage
- Sheridan County, ND: worse coverage
- Traill County, ND: better coverage
Counties with similar populations to Foster County
- Wibaux County, MT: better coverage
- Baca County, CO: worse coverage
- Bacon County, GA: worse coverage
- Bailey County, TX: better coverage
- Ballard County, KY: better coverage
- Bamberg County, SC: better coverage
- Banner County, NE: worse coverage
- Baraga County, MI: better coverage
- Barber County, KS: worse coverage
- Barton County, MO: better coverage







