SOUTH CAROLINA · STATEWIDE · FCC DATA

Best cell phone coverage in South Carolina South Carolina, statewide

Verizon reports the widest coverage in South Carolina: 96% of the area outdoors, 23.5 points ahead of T-Mobile. The lead is bigger than the 6.1% of South Carolina that is water, so it holds on land. AT&T is close enough behind to call the top two level.

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

RESULT · SOUTH CAROLINA

Coverage in South Carolina

What stands out in South Carolina

  • In a moving car the order changes in South Carolina: AT&T reports 55.5%, Verizon 43.1%.
  • Verizon loses the most of South Carolina in a moving car: 96% outdoors, 43.1% in a car.
  • Verizon reports 96% of South Carolina outdoors, against 60.9% of the US.
  • In every one of South Carolina's 46 counties the best carrier covers at least three quarters of the land.
★ WIDEST REPORTED COVERAGE
Verizon
96%
Outdoor
96%
In car
43.1%

AT&T vs T-Mobile vs Verizon in South Carolina

#1
Verizon
Outdoor
96%
In car
43.1%
#2
AT&T
Outdoor
87.7%
In car
55.5%
#3
T-Mobile
Outdoor
72.5%
In car
30.8%

4G and 5G across all carriers in South Carolina

4G LTE
98%
5G 7/1
74.9%
5G 35/3
57.5%

Check your street on each carrier's map

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

Where coverage runs thin in South Carolina

Counties with the least land under 4G LTE from any carrier: McCormick County (88.4%), Hampton County (90.3%), Abbeville County (92.5%). See how South Carolina compares in the 10 US states with the least cell coverage.

Coverage in South Carolina's largest cities

States with figures closest to South Carolina's