O2 in CF23

Cardiff, Cardiff

O2 has excellent signal coverage in CF23 (Cardiff), scoring 95/100 with 99% outdoor 4G coverage and 85% indoor 4G coverage.

Coverage Breakdown

Outdoor 4G

99%

Indoor 4G

85%

Voice

99%

5G Available excellent coverage

Outdoor 4G

99%

+3% vs avg

Indoor 4G

85%

+1% vs avg

Score

+18 vs avg

Is O2 good in CF23?

O2 has excellent mobile coverage in CF23 (Cardiff), scoring 95/100 with 99% outdoor 4G and 85% indoor 4G coverage.

Does O2 have 5G in CF23?

5G Available

How does O2 in CF23 compare to the national average?

O2 outdoor 4G in CF23 is 99%, versus a national average of 96% for O2.

We'll notify you when 5G coverage improves in your area.