WESTMINSTER · CO · FCC DATA

Best cell phone coverage in Westminster Westminster, Colorado

AT&T, T-Mobile and Verizon all report outdoor coverage of between 99.9% and 100% of Westminster, CO, 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 · WESTMINSTER, CO

Coverage in Westminster, CO

Population 115,302 (Census 2024 estimate)

What stands out in Westminster

  • Verizon reports 95.2% of Westminster in a moving car, against 18% of Colorado as a whole.
  • Beyond the city limits it thins: across Adams County, Verizon reports 32.2% in a moving car, against 95.2% in Westminster.
  • 5G at 35/3 Mbps covers 99.9% of Westminster, against 37.7% of Colorado.
✓ ALL THREE WITHIN 0.1 POINTS
All three carriers
99.9–100%

AT&T vs T-Mobile vs Verizon in Westminster

=
Verizon
Outdoor
100%
In car
95.2%
=
T-Mobile
Outdoor
100%
In car
90.6%
=
AT&T
Outdoor
99.9%
In car
98.7%

4G and 5G across all carriers in Westminster

4G LTE
100%
5G 7/1
100%
5G 35/3
99.9%

Check your street on each carrier's map

Around Westminster, in Adams County

The towns nearby where one carrier reports the least outdoors: Comanche Creek (AT&T 89.5%).

Questions about coverage in Westminster

Q1

How does Westminster compare with the rest of Colorado?

Outdoors Verizon 100% (state 58.1%), T-Mobile 100% (state 50.7%), AT&T 99.9% (state 68.6%); in a moving car AT&T 98.7% (state 41.3%), Verizon 95.2% (state 18%), T-Mobile 90.6% (state 19.3%).

ZIP codes mostly inside Westminster

80030, 80031, 80234.