Carrierlytics County Coverage Guide

Lake County, IL Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Lake County, IL.

Using FCC mobile coverage data across cities and ZIP codes in Lake County, IL, Carrierlytics compares the top-performing networks and the cheapest plans that use them.

Lake County, IL

Cell phone coverage map for Lake County, IL

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 Carrierlytics.

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Cell phone coverage rankings by network in Lake County, IL

#1

T-Mobile

Coverage Score 97.7
In Lake County, IL
Overall
99.9%
4G LTE
99.9% avg. -82 dBm 4G LTE signal where 4G LTE coverage exists: avg. -82 dBm
5G
99.4% avg. -80 dBm 5G signal where 5G coverage exists: avg. -80 dBm
Fast 5G
96.5% avg. -80 dBm Fast 5G signal where Fast 5G coverage exists: avg. -80 dBm
#2

Verizon

Coverage Score 93.6
In Lake County, IL
Overall
100.0%
4G LTE
100.0% avg. -82 dBm 4G LTE signal where 4G LTE coverage exists: avg. -82 dBm
5G
98.8% avg. -89 dBm 5G signal where 5G coverage exists: avg. -89 dBm
Fast 5G
87.6% avg. -88 dBm Fast 5G signal where Fast 5G coverage exists: avg. -88 dBm
#3

AT&T

Coverage Score 82.1
In Lake County, IL
Overall
99.9%
4G LTE
99.9% avg. -97 dBm 4G LTE signal where 4G LTE coverage exists: avg. -97 dBm
5G
98.7% avg. -103 dBm 5G signal where 5G coverage exists: avg. -103 dBm
Fast 5G
71.2% avg. -100 dBm Fast 5G signal where Fast 5G coverage exists: avg. -100 dBm
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Coverage by city in Lake County, IL

Cities and towns are shown for county-level comparison. Coverage percentages use land-area only coverage.

City Verizon AT&T T-Mobile
Antioch, IL 100.0% 100.0% 98.1% 90.3% 100.0% 100.0% 99.5% 81.6% 100.0% 100.0% 100.0% 100.0%
Bannockburn, IL 100.0% 100.0% 95.9% 65.3% 100.0% 100.0% 100.0% 77.6% 100.0% 100.0% 100.0% 93.9%
Beach Park, IL 100.0% 100.0% 100.0% 87.7% 100.0% 100.0% 100.0% 66.7% 100.0% 100.0% 100.0% 99.4%
Buffalo Grove, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 77.0% 100.0% 100.0% 100.0% 100.0%
Channel Lake, IL 100.0% 100.0% 82.2% 75.6% 100.0% 100.0% 97.8% 68.9% 100.0% 100.0% 100.0% 100.0%
Deer Park, IL 100.0% 100.0% 100.0% 76.6% 100.0% 100.0% 98.9% 76.6% 100.0% 100.0% 100.0% 89.4%
Deerfield, IL 100.0% 100.0% 100.0% 91.0% 100.0% 100.0% 99.2% 75.9% 100.0% 100.0% 100.0% 100.0%
Forest Lake, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 62.5% 100.0% 100.0% 100.0% 100.0%
Fox Lake, IL 100.0% 100.0% 100.0% 89.7% 100.0% 100.0% 99.0% 88.1% 100.0% 100.0% 100.0% 100.0%
Fox Lake Hills, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 81.8% 100.0% 100.0% 100.0% 100.0%
Gages Lake, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 83.3% 100.0% 100.0% 100.0% 100.0%
Grandwood Park, IL 100.0% 100.0% 97.0% 75.8% 100.0% 100.0% 100.0% 75.8% 100.0% 100.0% 100.0% 100.0%
Grayslake, IL 100.0% 100.0% 100.0% 97.7% 100.0% 100.0% 100.0% 67.7% 100.0% 100.0% 100.0% 100.0%
Great Lakes, IL 100.0% 100.0% 100.0% 98.2% 100.0% 100.0% 100.0% 73.2% 100.0% 100.0% 100.0% 98.2%
Green Oaks, IL 100.0% 100.0% 100.0% 85.4% 100.0% 100.0% 100.0% 68.8% 100.0% 100.0% 100.0% 100.0%
Gurnee, IL 100.0% 100.0% 100.0% 98.8% 100.0% 100.0% 100.0% 69.9% 100.0% 100.0% 100.0% 100.0%
Hainesville, IL 100.0% 100.0% 100.0% 97.8% 100.0% 100.0% 100.0% 71.1% 100.0% 100.0% 100.0% 100.0%
Hawthorn Woods, IL 100.0% 100.0% 100.0% 87.5% 100.0% 100.0% 100.0% 76.4% 100.0% 100.0% 100.0% 99.5%
Highland Park, IL 100.0% 100.0% 94.6% 72.3% 99.3% 99.3% 97.6% 75.3% 99.7% 99.7% 96.6% 82.4%
Highwood, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 70.6% 100.0% 100.0% 100.0% 100.0%
Indian Creek, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 0.0% 100.0% 100.0% 100.0% 100.0%
Ingleside, IL 100.0% 100.0% 100.0% 94.5% 100.0% 100.0% 100.0% 72.3% 100.0% 100.0% 100.0% 100.0%
Kildeer, IL 100.0% 100.0% 99.0% 78.8% 100.0% 100.0% 99.0% 54.8% 100.0% 100.0% 100.0% 95.2%
Knollwood, IL 100.0% 100.0% 100.0% 94.1% 100.0% 100.0% 100.0% 88.2% 100.0% 100.0% 100.0% 100.0%
Lake Barrington, IL 100.0% 100.0% 99.3% 75.7% 100.0% 100.0% 96.5% 66.0% 100.0% 100.0% 100.0% 87.5%
Lake Bluff, IL 100.0% 100.0% 99.0% 78.6% 100.0% 100.0% 99.0% 75.5% 100.0% 100.0% 100.0% 94.9%
Lake Catherine, IL 100.0% 100.0% 96.0% 52.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
Lake Forest, IL 100.0% 100.0% 96.4% 61.2% 99.8% 99.8% 98.6% 65.0% 100.0% 100.0% 100.0% 94.2%
Lake Villa, IL 100.0% 100.0% 100.0% 96.9% 100.0% 100.0% 99.4% 78.1% 100.0% 100.0% 100.0% 96.9%
Lake Zurich, IL 100.0% 100.0% 100.0% 99.4% 100.0% 100.0% 100.0% 85.3% 100.0% 100.0% 100.0% 100.0%
Libertyville, IL 100.0% 100.0% 100.0% 97.2% 100.0% 100.0% 99.5% 69.8% 100.0% 100.0% 100.0% 99.1%
Lincolnshire, IL 100.0% 100.0% 96.4% 75.7% 100.0% 100.0% 98.2% 65.8% 100.0% 100.0% 100.0% 91.0%
Lindenhurst, IL 100.0% 100.0% 100.0% 94.6% 100.0% 100.0% 100.0% 73.2% 100.0% 100.0% 100.0% 100.0%
Long Grove, IL 100.0% 100.0% 97.0% 73.4% 100.0% 99.7% 98.7% 54.8% 100.0% 100.0% 99.7% 92.4%
Long Lake, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 74.1% 100.0% 100.0% 100.0% 100.0%
Mettawa, IL 100.0% 100.0% 99.2% 70.0% 100.0% 100.0% 96.2% 58.5% 100.0% 100.0% 100.0% 98.5%
Mundelein, IL 100.0% 100.0% 100.0% 98.5% 100.0% 100.0% 100.0% 73.6% 100.0% 100.0% 100.0% 94.3%
North Barrington, IL 100.0% 100.0% 100.0% 81.0% 100.0% 100.0% 94.0% 61.2% 100.0% 100.0% 100.0% 93.1%
North Chicago, IL 100.0% 100.0% 100.0% 99.0% 100.0% 100.0% 100.0% 72.8% 100.0% 100.0% 88.5% 86.9%
Old Mill Creek, IL 100.0% 100.0% 98.8% 92.5% 100.0% 100.0% 97.6% 56.1% 100.0% 100.0% 100.0% 96.5%
Park City, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 76.7% 100.0% 100.0% 100.0% 100.0%
Port Barrington, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 83.3% 100.0% 100.0% 100.0% 100.0%
Riverwoods, IL 100.0% 100.0% 80.9% 40.4% 100.0% 100.0% 94.7% 58.5% 100.0% 100.0% 100.0% 86.2%
Round Lake, IL 100.0% 100.0% 100.0% 99.3% 100.0% 100.0% 100.0% 65.9% 100.0% 100.0% 100.0% 100.0%
Round Lake Beach, IL 100.0% 100.0% 100.0% 98.3% 100.0% 100.0% 100.0% 86.8% 100.0% 100.0% 100.0% 100.0%
Round Lake Heights, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 86.7% 100.0% 100.0% 100.0% 100.0%
Round Lake Park, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 62.7% 100.0% 100.0% 100.0% 100.0%
Third Lake, IL 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 92.9% 100.0% 100.0% 100.0% 100.0%
Tower Lakes, IL 100.0% 100.0% 95.2% 28.6% 100.0% 100.0% 100.0% 85.7% 100.0% 100.0% 100.0% 85.7%
Venetian Village, IL 100.0% 100.0% 100.0% 97.7% 100.0% 100.0% 100.0% 93.0% 100.0% 100.0% 100.0% 100.0%

About The Coverage Data

Coverage and signal estimates are derived by Carrierlytics 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 Lake County, IL 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.