CoverageMap

Foster

Cell coverage comparison in Foster, North Dakota

US

Based on crowdsourced speed tests and signal measurements in Foster, North Dakota, the current snapshot reflects over 100 speed tests and shows medians of 86.0 Mbps download, 5.3 Mbps upload, and 63 ms latency.

Performance by Carrier in Foster

Explore median download speeds, upload performance, and network latency for each major mobile carrier in Foster, calculated from millions of real-world, crowdsourced speed tests. These results reflect typical everyday performance to help you compare carriers and choose the network that delivers the fastest speeds, most responsive connections, and broadest coverage where you live, work, and travel.

AT&T logo
Down57.3 Mbps
Up7.5 Mbps
Reliab.6.6 / 10
Cov.100.0%

65 tests conducted

T-Mobile logo
Down26.2 Mbps
Up6.5 Mbps
Reliab.8.4 / 10
Cov.91.0%

54 tests conducted

Verizon logo
Down261.2 Mbps
Up3.0 Mbps
Reliab.8.4 / 10
Cov.100.0%

58 tests conducted

Performance by Carrier shows side-by-side results for the primary mobile providers measured in Foster. Each row reflects download, upload, latency, and reliability for that carrier.

Providers included in this comparison are Verizon, T-Mobile, AT&T. Per-carrier test counts are shown in the table to indicate data accuracy.

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Network Performance in Foster

Get a complete view of mobile network performance across Foster with overall benchmarks and carrier-by-carrier breakdowns. Explore median performance metrics calculated from millions of real-world, crowdsourced speed tests. Start with the Foster-wide snapshot to understand overall network trends, then dive deeper to compare individual carriers side-by-side and see how each performs in speed, responsiveness, and availability.

Median Performance

Download

86.0Mbps

Upload

5.3Mbps

Latency

63ms

Reliability

7.4/ 10

Top Performers

Best Download: Verizon

261.2 Mbps

Best Upload: AT&T

7.5 Mbps

Best Latency: Verizon

56 ms

Best Reliability: Verizon

8.4 / 10

Best Coverage: Verizon

100.0%

Coverage Snapshot

5G88.9%
4G LTE100.0%
Based on over 100 speed tests

Network Performance aggregates all measured carriers in Foster to provide a baseline view of typical speeds and latency in the area. Use these medians as a quick indicator of overall network quality.

These medians are calculated from over 100 tests. Current medians are 86.0 Mbps download, 5.3 Mbps upload, and 63 ms latency.

Promoted Offers

Mint Mobile

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

See Deal
Visible

Get Visible+ for $30/mo with code 5OFF5

Get $5 off for up to 5 years. New customers only.

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Cell Phone Plans Available in Foster

Compare wireless plans from carriers with coverage in this area.

Recommended PlanSponsored

Mint Mobile 5GB Annual

$15/mo

12 month term

T-Mobile
  • 5 GB Datahigh-speed, then 128Kbps
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts
Recommended PlanSponsored

US Mobile 5GB

$15/mo

Monthly plan

AT&T
T-Mobile
Verizon
  • 5 GB Datahigh-speed, then data stops
  • Hotspot Included
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included
Recommended PlanSponsored

US Mobile Unlimited Starter Dark Star

$25/mo

Monthly plan

AT&T
  • Unlimited Datahigh-speed
  • 20 GB Hotspot
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included
Recommended PlanSponsored

Visible Base

$25/mo

Monthly plan

Verizon
  • Unlimited Datahigh-speed
  • Unlimited Hotspot
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included
Recommended PlanSponsored

Mint Mobile Unlimited Annual

$30/mo

12 month term

T-Mobile
  • Unlimited Datahigh-speed
  • 20 GB Hotspot
  • Unlimited Minutes
  • Unlimited Texts
Limited-time offer

$15/mo first year

Recommended PlanSponsored

Visible+

$35/mo

Monthly plan

Verizon
  • Unlimited Datahigh-speed
  • Unlimited Hotspot
  • Unlimited Minutes
  • Unlimited Texts
  • Taxes & Fees Included
Limited-time offer

$30/mo for 5 years with code 5OFF5

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Citys in Foster

Select a city to view coverage data for that location.

Promoted Offers

Mint Mobile

Get the 5GB plan for $10/mo for your first 3 months

Regular price $25/month for 3 months

See Deal
Visible

Get Visible+ for $30/mo with code 5OFF5

Get $5 off for up to 5 years. New customers only.

See Deal

Cell Coverage in Foster: FAQ

What is the best cell phone carrier in Foster?

Based on crowdsourced speed tests in Foster, Verizon currently leads in median download speeds. Compare carriers in the performance table above for the latest results.

Why might this page show limited data for Foster?

We need at least 25 recent speed tests to generate reliable local metrics. If we don't have enough tests yet, the page focuses on maps and nearby locations while we keep collecting data.

What is the reliability score?

The reliability score summarizes how dependable mobile performance is in Foster. It uses a 0.0 to 10.0 scale (higher is better) and is calculated from real-world speed test percentiles with weighted components: download (50%), latency (30%), and upload (20%). It evaluates the lower-end experience using the bottom 10%, 5%, and 1% percentiles when enough samples are available. If local speed testing is limited, a coverage-based fallback is used from signal quality distribution (great/good/poor).

How can I check coverage at my specific address in Foster?

Use the interactive map to check signal strength at your exact address. Visit the CoverageMap interactive map to explore 4G/5G availability.

How can I contribute coverage data for Foster?

Download the CoverageMap app and run a few speed tests with location enabled. Your results help improve coverage accuracy and unlock local rankings faster.

Get the app

View Coverage Map for Foster

Explore detailed coverage data on our interactive map to find the best carrier for your specific location.

Open Interactive Map