MIAMI · FL · FCC DATA

Best cell phone coverage in Miami Miami, Florida · AT&T · T-Mobile · Verizon

The carriers' outdoor figures run from 64.4% (AT&T) to 100% (Verizon) of Miami, FL, but 35.8% of Miami, FL's area is water and carriers differ in whether they file coverage over water. The gap is no bigger than the water, so the FCC figures don't show any carrier covering more of the land.

Figures are the share of Miami's area where each carrier reports 4G LTE or 5G service to the FCC, as of December 31, 2025. The area includes water (35.8% of it), which some carriers file coverage over and others don't. A state or city figure can hide dead spots, so check your own ZIP code below.

RESULT · MIAMI, FL

Coverage in Miami, FL

Population 487,014 (Census 2024 estimate) · FCC filings as of December 31, 2025

≈ NO CLEAR LEADER ON LAND
All three carriers
64.4–100%

35.8% of Miami's area is water. The carriers' figures differ by no more than that, and some carriers file coverage over water while others don't, so the FCC figures don't show one carrier covering more of the land here.

Outdoor coverage range across AT&T, T-Mobile and Verizon. Each carrier's own figures are below.

AT&T vs T-Mobile vs Verizon in Miami

=
Verizon
Reported coverage, % of area
Outdoor
100%
In car
97.9%
=
T-Mobile
Reported coverage, % of area
Outdoor
65.7%
In car
63.7%
=
AT&T
Reported coverage, % of area
Outdoor
64.4%
In car
63.7%

Outdoor is the share of the area where the carrier reports 4G LTE or 5G to a phone standing still outdoors; in car is the share it reports to a phone in a moving vehicle, which is always lower. Indoor signal is not part of the FCC filing and can be weaker than either.

4G and 5G across all carriers in Miami

4G LTE
100%
5G 7/1
99.9%
5G 35/3
98.8%

Share of Miami's area where at least one carrier reports each technology outdoors. "5G 7/1" means 5G of at least 7 Mbps down and 1 Mbps up, "5G 35/3" at least 35/3 Mbps, the two speed tiers the FCC publishes. The FCC summary does not split 5G by carrier.

Choosing a carrier in Miami

On land, the FCC figures don't separate the three carriers in Miami, so price, data allowance and contract terms can decide it. Check your own street in each carrier's map, because a city-wide share can hide a dead spot.

Questions about coverage in Miami

Q1

Which carrier has the best coverage in Miami, FL?

The carriers' outdoor figures run from 64.4% (AT&T) to 100% (Verizon) of Miami, FL, but 35.8% of Miami, FL's area is water and carriers differ in whether they file coverage over water. The gap is no bigger than the water, so the FCC figures don't show any carrier covering more of the land.

Q2

How much of Miami has 5G?

Across all carriers, 99.9% of Miami's area has 5G of at least 7/1 Mbps and 98.8% has 5G of at least 35/3 Mbps outdoors, in filings to the FCC as of December 31, 2025.

Q3

Where do these numbers come from?

From the FCC National Broadband Map. Each carrier files where it offers mobile broadband; the FCC publishes the share of each city's area inside that filing. They are carrier-reported, not measured, so check the carrier's own map for your exact address before you switch.

ZIP codes mostly inside Miami

33101, 33125, 33127, 33128, 33129, 33130, 33131, 33132, 33133, 33135, 33136, 33137, 33145.