Coverage Critic receives commissions from telecom companies. Find details on the transparency page.

Cell Phone Coverage In Frederick

All three major networks are expected to offer good cell coverage in Frederick. Check coverage at your location with the map below.

Recommended Low-Cost Carrier In Frederick

Frederick Coverage Maps

  • Visible Runs Over Verizon's Network
  • #1 Low-Cost Option In Frederick
  • Unlimited Plan Is Only $25/Month
See Plans ➜
- ◄ Signal Strength ► +
Full MapSwitch To Fully Interactive Map
Visible logo
  • Unlimited calls, texts, and data
  • Excellent coverage expected in Frederick
  • Service over Verizon's network
Get An Unlimited Plan For $25 Per Month

4G LTE & 5G Coverage In Frederick

The table below shows the proportion of Frederick with coverage from different cellular technologies.
Network4G Coverage5G Coverage
AT&T100%100%
T-Mobile100%100%
Verizon100%98%
Dish0%100%

Don't be alarmed by Dish's lack of 4G coverage in Frederick. Dish has a newly-built network that's 5G-only.

US Cellular And Dish Roaming Coverage

US Cellular does not have native coverage in Frederick. However, some US Cellular subscribers may still have coverage in Frederick thanks to roaming agreements.

Frederick Cell Signal Strength

There are 598 map hexes within the census-defined boundaries of Frederick. The table below shows the proportion of hexes at various levels of signal strength. Where both 4G and 5G coverage is available, data is drawn from whichever technology offers a stronger signal.

NetworkStrongDecentWeakNone
AT&T14%63%22%0%
T-Mobile43%53%4%0%
Verizon30%68%2%0%
Dish11%84%5%0%

For most purposes, decent signals are perfectly sufficient. Weak or non-existent signals cause far greater degradation in user experience.

Crowdsourced Coverage Data In Frederick

Coverage Critic has 10,757 crowdsourced data points from 286 map hexes within the boundaries of Frederick. Data is available for AT&T, T-Mobile, and Verizon.

NetworkUnique HexesTotal Observations
AT&T2434,969
T-Mobile2485,398
Verizon73360

Click here to toggle to the map's crowdsourced data layer.

Maryland State-Wide Coverage Scores

Network Coverage Score
Verizon 8.7 / 10
AT&T 8.7 / 10
T-Mobile 8.3 / 10

Data Sourcing

Coverage maps draw on data from the FCC's Broadband Data Collection and Coverage Critic's crowdsourcing.

The coverage information for Frederick is rated as medium-high confidence. Documentation is available elsewhere covering limitations of Coverage Critic's approach.

Last updated: February 26, 2025