SANTA CLARITA · CA · FCC DATA

Best cell phone coverage in Santa Clarita Santa Clarita, California

AT&T, T-Mobile and Verizon all report outdoor coverage of between 98.1% and 99.1% of Santa Clarita, CA, so no carrier wins on outdoor coverage here. In a moving car the filings differ more: AT&T reports 87.9% against 80% for T-Mobile.

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

RESULT · SANTA CLARITA, CA

Coverage in Santa Clarita, CA

Population 229,159 (Census 2024 estimate)

What stands out in Santa Clarita

  • T-Mobile reports 80% of Santa Clarita in a moving car, against 26.8% of California as a whole.
  • Santa Clarita has the lowest Verizon figure in a moving car of the 51 mostly-land cities in California on this site: 73.5%.
  • Beyond the city limits it thins: across Los Angeles County, AT&T reports 54.2% in a moving car, against 87.9% in Santa Clarita.
  • 5G at 35/3 Mbps covers 97.6% of Santa Clarita, against 47.7% of California.
✓ ALL THREE WITHIN 1 POINTS
All three carriers
98.1–99.1%

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

=
T-Mobile
Outdoor
99.1%
In car
80%
=
AT&T
Outdoor
98.3%
In car
87.9%
=
Verizon
Outdoor
98.1%
In car
73.5%

4G and 5G across all carriers in Santa Clarita

4G LTE
99.9%
5G 7/1
99.2%
5G 35/3
97.6%

Check your street on each carrier's map

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

Around Santa Clarita, in Los Angeles County

The towns nearby where one carrier reports the least outdoors: Topanga (AT&T 34.9%), Lake Hughes (T-Mobile 83%), Duarte (AT&T 83.4%), Torrance (AT&T 83.7%).

Questions about coverage in Santa Clarita

Q1

How does Santa Clarita compare with the rest of California?

Outdoors T-Mobile 99.1% (state 51.4%), AT&T 98.3% (state 57.3%), Verizon 98.1% (state 64.3%); in a moving car AT&T 87.9% (state 36.2%), T-Mobile 80% (state 26.8%), Verizon 73.5% (state 33.6%).

ZIP codes mostly inside Santa Clarita

91321, 91350, 91351, 91354, 91355.

See the statewide California comparison, or coverage in Fresno, Anaheim, Chula Vista, Ontario, Santa Rosa, Lancaster, Roseville, Torrance, Simi Valley, Thousand Oaks, Carlsbad, Santa Maria.

Cities with figures closest to Santa Clarita's: Louisville, KY, Thousand Oaks, CA, Huntsville, AL, Tuscaloosa, AL, Norman, OK.