SANTA CLARA · CA · FCC DATA

Best cell phone coverage in Santa Clara Santa Clara, California

AT&T, T-Mobile and Verizon all report outdoor coverage of between 99.8% and 100% of Santa Clara, CA, so no carrier wins on outdoor coverage here.

Carrier-reported coverage from FCC carrier filings as of December 31, 2025, not measured signal. How these figures are read

RESULT · SANTA CLARA, CA

Coverage in Santa Clara, CA

Population 133,132 (Census 2024 estimate)

What stands out in Santa Clara

  • Verizon reports 99.8% of Santa Clara in a moving car, against 33.6% of California as a whole.
  • Beyond the city limits it thins: across Santa Clara County, T-Mobile reports 31.1% in a moving car, against 90.7% in Santa Clara.
  • 5G at 35/3 Mbps covers 99.5% of Santa Clara, against 47.7% of California.
✓ ALL THREE WITHIN 0.2 POINTS
All three carriers
99.8–100%

AT&T vs T-Mobile vs Verizon in Santa Clara

=
Verizon
Outdoor
100%
In car
99.8%
=
T-Mobile
Outdoor
100%
In car
90.7%
=
AT&T
Outdoor
99.8%
In car
99.8%

4G and 5G across all carriers in Santa Clara

4G LTE
100%
5G 7/1
100%
5G 35/3
99.5%

Check your street on each carrier's map

Verizon coverage map → T-Mobile coverage map → AT&T coverage map →

Around Santa Clara, in Santa Clara County

The towns nearby where one carrier reports the least outdoors: Palo Alto (AT&T 75.9%), Los Altos Hills (AT&T 87.7%), Los Gatos (AT&T 89.4%), San Jose (T-Mobile 91.1%).

Questions about coverage in Santa Clara

Q1

How does Santa Clara compare with the rest of California?

Outdoors Verizon 100% (state 64.3%), T-Mobile 100% (state 51.4%), AT&T 99.8% (state 57.3%); in a moving car AT&T 99.8% (state 36.2%), Verizon 99.8% (state 33.6%), T-Mobile 90.7% (state 26.8%).

ZIP codes mostly inside Santa Clara

95050, 95051, 95053, 95054.

See the statewide California comparison, or coverage in Fresno, Santa Clarita, Fremont, Santa Rosa, Rancho Cucamonga, Lancaster, Palmdale, Visalia, Fullerton, Torrance, Pasadena, Antioch.

Cities with figures closest to Santa Clara's: Columbus, OH, Wichita, KS, Stockton, CA, Modesto, CA, Meridian, ID.