WATERBURY · CT · FCC DATA

Best cell phone coverage in Waterbury Waterbury, Connecticut

AT&T, T-Mobile and Verizon all report outdoor coverage of between 99.7% and 100% of Waterbury, CT, so no carrier wins on outdoor coverage here. In a moving car the filings differ more: AT&T reports 96.7% against 87.5% for Verizon.

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

RESULT · WATERBURY, CT

Coverage in Waterbury, CT

Population 115,908 (Census 2024 estimate)

What stands out in Waterbury

  • AT&T reports 96.7% of Waterbury in a moving car, against 57.4% of Connecticut as a whole.
  • Beyond the city limits it thins: across New Haven County, AT&T reports 58.8% in a moving car, against 96.7% in Waterbury.
  • T-Mobile loses the most of Waterbury in a moving car: 99.7% outdoors, 76.4% in a car.
  • 5G at 35/3 Mbps covers 93.6% of Waterbury, against 66.9% of Connecticut.
✓ ALL THREE WITHIN 0.3 POINTS
All three carriers
99.7–100%

AT&T vs T-Mobile vs Verizon in Waterbury

=
AT&T
Outdoor
100%
In car
96.7%
=
Verizon
Outdoor
100%
In car
87.5%
=
T-Mobile
Outdoor
99.7%
In car
76.4%

4G and 5G across all carriers in Waterbury

4G LTE
100%
5G 7/1
99.1%
5G 35/3
93.6%

Check your street on each carrier's map

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

Around Waterbury, in New Haven County

The towns nearby where one carrier reports the least outdoors: Milford city (balance) (T-Mobile 92.5%), East Haven (T-Mobile 93.3%), Naugatuck (T-Mobile 94.9%).

Questions about coverage in Waterbury

Q1

How does Waterbury compare with the rest of Connecticut?

Outdoors AT&T 100% (state 84.3%), Verizon 100% (state 94.8%), T-Mobile 99.7% (state 78.7%); in a moving car AT&T 96.7% (state 57.4%), Verizon 87.5% (state 50%), T-Mobile 76.4% (state 37.4%).

ZIP codes mostly inside Waterbury

06702, 06704, 06705, 06706, 06708, 06710.

See the statewide Connecticut comparison, or coverage in Bridgeport, Stamford, New Haven, Hartford.

Cities with figures closest to Waterbury's: Brownsville, TX, Atlanta, GA, Kansas City, KS, Independence, MO, Fayetteville, NC.