Area Report
Coverage in PO1Portsmouth
Improving
Based on aggregated coverage data across 21 postcodes in this area.
Last updated 7/1/2025
Independent verdict
"It's close in Portsmouth. EE edges ahead on streaming quality, but Three is neck-and-neck overall — either will serve most people well here."
Based on Ofcom coverage data across 21 postcodes
Overall Area Rankings
WINNER
EE
Overall Score: 84/100
4G OutdoorsExcellent
4G IndoorsGood
5G OutdoorsGood
Video CallsExcellent
StreamingExcellent
Strengths
- • Excellent outdoor 4G coverage
- • Good indoor signal penetration
- • Strong 5G availability
Three
Overall Score: 83/100
4G OutdoorsExcellent
4G IndoorsGood
5G OutdoorsExcellent
Video CallsExcellent
StreamingExcellent
Strengths
- • Excellent outdoor 4G coverage
- • Good indoor signal penetration
- • Strong 5G availability
O2
Overall Score: 82/100
4G OutdoorsExcellent
4G IndoorsGood
5G OutdoorsGood
Video CallsExcellent
StreamingExcellent
Strengths
- • Excellent outdoor 4G coverage
- • Good indoor signal penetration
- • Reliable for video calls
Vodafone
Overall Score: 69/100
4G OutdoorsGood
4G IndoorsFair
5G OutdoorsFair
Video CallsGood
StreamingExcellent
Strengths
- • Smooth video streaming
Want exact coverage for your home?
Area averages are great, but mobile signal can drop from excellent to zero just by walking round the corner. Enter your full postcode to get street-level accuracy.