HereFacts

Compare cell coverage in San Bernardino County, CA

California > San Bernardino County

See the best cell service provider in San Bernardino County 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 84% of San Bernardino County covered by 5G service and 91% covered by 4G LTE service.

5G
84%
covered by 5G
4G
91%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of San Bernardino County covered:
 
91.2%
 
 
 
 
 
Excellent reception
 
9.0%
 
 
 
 
 
Good reception
 
27.0%
 
 
 
 
 
Average reception
 
33.6%
 
 
 
 
 
Fair reception
 
20.3%
 
 
 
 
 
Poor reception
 
1.3%
 
 
 
 
 
No Signal
 
8.8%

Verizon

Excellent coverage

 
 
 
 
 

Verizon has 87% of San Bernardino County covered by 5G service and 98% covered by 4G LTE service.

5G
87%
covered by 5G
4G
98%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of San Bernardino County covered:
 
97.7%
 
 
 
 
 
Excellent reception
 
40.8%
 
 
 
 
 
Good reception
 
36.1%
 
 
 
 
 
Average reception
 
17.0%
 
 
 
 
 
Fair reception
 
3.5%
 
 
 
 
 
Poor reception
 
0.3%
 
 
 
 
 
No Signal
 
2.3%

T-Mobile

Good coverage

 
 
 
 
 

T-Mobile has 82% of San Bernardino County covered by 5G service and 89% covered by 4G LTE service.

5G
82%
covered by 5G
4G
89%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of San Bernardino County covered:
 
89.3%
 
 
 
 
 
Excellent reception
 
28.0%
 
 
 
 
 
Good reception
 
36.8%
 
 
 
 
 
Average reception
 
24.2%
 
 
 
 
 
Fair reception
 
0.2%
 
 
 
 
 
No Signal
 
10.7%
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Cities in San Bernardino County

View cell coverage by city:

Adelanto Apple Valley Baker Barstow Big Bear City Big Bear Lake Big River Bloomington Bluewater Chino Chino Hills Colton Crestline Fontana Fort Irwin Grand Terrace Hesperia Highland Homestead Valley Joshua Tree Lake Arrowhead Lenwood Loma Linda Lucerne Valley Lytle Creek Mentone Montclair Morongo Valley Mountain View Acres Muscoy Needles Oak Glen Oak Hills Ontario Phelan Piñon Hills Rancho Cucamonga Redlands Rialto Running Springs San Antonio Heights San Bernardino Searles Valley Silver Lakes Spring Valley Lake Twentynine Palms Upland Victorville Wrightwood Yermo Yucaipa Yucca Valley
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