Compare cell coverage in Ontario, CA
California > San Bernardino County > Ontario
See the best cell service provider in Ontario with our network coverage comparison of AT&T, Verizon, and T-Mobile. Use the search box to see cell coverage down to a street address.
AT&T
Excellent coverage
AT&T has 100% of Ontario covered by 5G service and 100% covered by 4G LTE service.
5G
100%
4G
100%
- Amount of Ontario covered:
-
100%
-
Excellent reception
-
19.4%
-
Good reception
-
46.9%
-
Average reception
-
28.5%
-
Fair reception
-
5.2%
Verizon
Excellent coverage
Verizon has 98% of Ontario covered by 5G service and 100% covered by 4G LTE service.
5G
98%
4G
100%
- Amount of Ontario covered:
-
100%
-
Excellent reception
-
70.5%
-
Good reception
-
28.6%
-
Average reception
-
0.9%
T-Mobile
Excellent coverage
T-Mobile has 99% of Ontario covered by 5G service and 100% covered by 4G LTE service.
5G
99%
4G
100%
- Amount of Ontario covered:
-
100%
-
Excellent reception
-
65.2%
-
Good reception
-
34.7%
-
Average reception
-
0.1%
Compare exact cell coverage for any address
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