Baltimore, MD Cell Phone Coverage Map & Network Rankings (2026)

Don’t overpay for a network that struggles where you actually use your phone.

Using FCC mobile coverage data across Baltimore, MD zip codes, this guide compares the top-performing networks and the cheapest plans that use them.

Coverage rankings for Baltimore, MD

T-Mobile currently ranks first for coverage in this area, with a coverage score of 99.4. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.


RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile99.499.5%99.5%99.3%98.6% -74 dBm
2Verizon97.2100.0%100.0%96.1%88.6% -86 dBm
3AT&T93.599.5%99.1%99.0%77.2% -93 dBm

Scores include coverage area, network type, and average signal strength.


Cell phone coverage map for Baltimore, MD

Zoom in for local detail. Tap or click a colored area to see coverage and signal details. On mobile, use two fingers to move the map.

Coverage Key
Less covered More covered
Darker areas mean the carrier covers more of that location.

Map data © OpenStreetMap contributors, © CARTO. Rendered with MapLibre. FCC BDC mobile coverage processed by Compare Wireless Carriers.

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Cell phone coverage by network in Baltimore, MD

#1

T-Mobile

Coverage Score 99.4
In Baltimore, MD
Overall
99.5%
4G LTE
99.5%
5G
99.3%
Fast 5G
98.6%
Average Signal -74 dBm
Baltimore City County, MD covered 99.5%
#2

Verizon

Coverage Score 97.2
In Baltimore, MD
Overall
100.0%
4G LTE
100.0%
5G
96.1%
Fast 5G
88.6%
Average Signal -86 dBm
Baltimore City County, MD covered 100.0%
#3

AT&T

Coverage Score 93.5
In Baltimore, MD
Overall
99.5%
4G LTE
99.1%
5G
99.0%
Fast 5G
77.2%
Average Signal -93 dBm
Baltimore City County, MD covered 99.5%

County coverage is shown for surrounding-area context and uses land-area only coverage.

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Coverage by ZIP code in Baltimore, MD

ZIP code areas can extend beyond city limits, so this table is best used for local comparison around the city.

ZIP CodeAT&TT-MobileVerizon
21201 100.0% 100.0% 100.0% 67.7% -85 dBm 100.0% 100.0% 100.0% 100.0% -67 dBm 100.0% 100.0% 100.0% 100.0% -92 dBm
21202 100.0% 100.0% 100.0% 57.1% -87 dBm 100.0% 100.0% 100.0% 100.0% -67 dBm 100.0% 100.0% 100.0% 100.0% -86 dBm
21205 100.0% 100.0% 100.0% 82.7% -90 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm 100.0% 100.0% 100.0% 92.3% -88 dBm
21206 100.0% 100.0% 100.0% 82.4% -95 dBm 100.0% 100.0% 100.0% 100.0% -74 dBm 100.0% 100.0% 98.4% 94.5% -83 dBm
21207 100.0% 99.6% 99.6% 87.0% -96 dBm 99.6% 99.6% 99.6% 98.1% -78 dBm 100.0% 100.0% 93.5% 76.6% -87 dBm
21208 99.7% 98.7% 98.7% 79.2% -105 dBm 98.4% 98.4% 96.8% 86.8% -85 dBm 100.0% 100.0% 84.9% 66.9% -88 dBm
21209 100.0% 98.1% 98.7% 75.3% -100 dBm 98.1% 98.1% 96.8% 91.1% -83 dBm 100.0% 100.0% 79.7% 57.6% -91 dBm
21210 100.0% 100.0% 100.0% 77.6% -98 dBm 100.0% 100.0% 100.0% 92.9% -82 dBm 100.0% 100.0% 83.5% 65.9% -88 dBm
21211 100.0% 100.0% 100.0% 75.7% -95 dBm 100.0% 100.0% 100.0% 100.0% -74 dBm 100.0% 100.0% 97.3% 83.8% -87 dBm
21212 100.0% 100.0% 100.0% 73.0% -97 dBm 100.0% 100.0% 97.4% 89.6% -83 dBm 100.0% 100.0% 77.4% 61.7% -91 dBm
21213 100.0% 100.0% 100.0% 69.0% -91 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm 100.0% 100.0% 100.0% 97.7% -87 dBm
21214 98.6% 98.6% 97.1% 85.7% -94 dBm 100.0% 100.0% 100.0% 100.0% -77 dBm 100.0% 100.0% 94.3% 70.0% -94 dBm
21215 100.0% 100.0% 100.0% 82.6% -94 dBm 100.0% 100.0% 100.0% 100.0% -72 dBm 100.0% 100.0% 90.7% 82.0% -87 dBm
21216 100.0% 100.0% 100.0% 68.3% -95 dBm 98.8% 98.8% 95.1% 93.9% -74 dBm 100.0% 100.0% 93.9% 91.5% -83 dBm
21217 100.0% 100.0% 100.0% 74.5% -92 dBm 100.0% 100.0% 100.0% 100.0% -69 dBm 100.0% 100.0% 100.0% 100.0% -82 dBm
21218 100.0% 100.0% 99.1% 84.7% -90 dBm 100.0% 100.0% 100.0% 100.0% -70 dBm 100.0% 100.0% 100.0% 98.2% -84 dBm
21222 99.6% 99.6% 98.2% 72.6% -97 dBm 99.6% 99.6% 99.6% 99.3% -75 dBm 100.0% 100.0% 96.5% 91.2% -84 dBm
21223 100.0% 100.0% 98.5% 66.7% -92 dBm 100.0% 100.0% 100.0% 100.0% -72 dBm 100.0% 100.0% 93.9% 83.3% -88 dBm
21224 99.6% 99.1% 97.4% 69.2% -92 dBm 99.6% 99.6% 99.6% 99.6% -73 dBm 100.0% 100.0% 97.4% 93.2% -82 dBm
21225 98.2% 98.2% 98.2% 69.1% -95 dBm 100.0% 100.0% 100.0% 100.0% -74 dBm 100.0% 100.0% 98.8% 90.3% -81 dBm
21226 98.4% 95.6% 96.0% 72.3% -100 dBm 100.0% 100.0% 100.0% 100.0% -78 dBm 100.0% 100.0% 92.8% 79.9% -87 dBm
21227 100.0% 100.0% 100.0% 66.5% -96 dBm 100.0% 100.0% 99.6% 98.2% -75 dBm 100.0% 100.0% 97.2% 88.4% -83 dBm
21229 99.3% 99.3% 98.6% 81.0% -94 dBm 99.3% 99.3% 98.6% 96.6% -74 dBm 100.0% 100.0% 95.2% 88.4% -86 dBm
21230 98.1% 98.1% 96.9% 74.5% -92 dBm 98.1% 98.1% 98.1% 98.1% -71 dBm 100.0% 100.0% 98.8% 94.4% -87 dBm
21231 100.0% 100.0% 100.0% 66.7% -89 dBm 100.0% 100.0% 100.0% 100.0% -70 dBm 100.0% 100.0% 100.0% 100.0% -78 dBm

About The Coverage Data

Coverage and signal estimates are derived by Compare Wireless Carriers from carrier-reported data in the FCC’s National Broadband Coverage Map, last updated in June 2025. “Percent covered” shows how much of the city or ZIP code area has a carrier signal, whether weak or strong. Signal bars show the estimated average signal strength in areas of Baltimore, MD where that carrier has coverage.

If a carrier says you should have service but you do not, run a challenge test with the FCC Mobile Speed Test App. The FCC uses those results to check carrier-submitted coverage data and requires a carrier response when enough tests show a pattern of inaccurate coverage reporting.