DOWNEY · CA · FCC DATA

Best cell phone coverage in Downey Downey, California

AT&T, T-Mobile and Verizon all report outdoor coverage of 100% of Downey, 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 · DOWNEY, CA

Coverage in Downey, CA

Population 109,368 (Census 2024 estimate)

What stands out in Downey

  • T-Mobile reports 96.7% of Downey in a moving car, against 26.8% of California as a whole.
  • Beyond the city limits it thins: across Los Angeles County, T-Mobile reports 49.4% in a moving car, against 96.7% in Downey.
  • 5G at 35/3 Mbps covers 100% of Downey, against 47.7% of California.
✓ ALL THREE REPORT THE SAME
All three carriers
100%

AT&T vs T-Mobile vs Verizon in Downey

=
AT&T
Outdoor
100%
In car
100%
=
Verizon
Outdoor
100%
In car
97.8%
=
T-Mobile
Outdoor
100%
In car
96.7%

4G and 5G across all carriers in Downey

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

Check your street on each carrier's map

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

Around Downey, 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 Downey

Q1

How does Downey compare with the rest of California?

Outdoors AT&T 100% (state 57.3%), Verizon 100% (state 64.3%), T-Mobile 100% (state 51.4%); in a moving car AT&T 100% (state 36.2%), Verizon 97.8% (state 33.6%), T-Mobile 96.7% (state 26.8%).

ZIP codes mostly inside Downey

90240, 90241, 90242.

See the statewide California comparison, or coverage in San Francisco, Irvine, Modesto, Glendale, Ontario, Visalia, Fullerton, Orange, Clovis, Concord, Menifee, Santa Maria.

Cities with figures closest to Downey's: Hillsboro, OR, Grand Rapids, MI, Pasadena, TX, Richardson, TX, Irving, TX.