Q1
Which network is best in Southampton?
EE scores highest in Southampton (SO) with 91/100 overall, 82% 5G and 100% 4G coverage.
SO POSTCODE AREA · SOUTHAMPTON
Best mobile network in Southampton SO postcode area
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the Southampton (SO) postcode area. Use the scanner below to check your exact postcode.
TOP RESULT · SOUTHAMPTON (SO)
Network coverage scores for Southampton
★ BEST OPERATOR
EE
91/100
EE delivers the strongest mix of 5G, 4G and 3G signal for Southampton (SO). Coverage scored against the latest UK operator footprints for this densely populated urban area.
Full operator ranking for Southampton
#1
EE
#2
Three
#3
Vodafone
#4
O2
Why EE leads in Southampton
Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE scores highest across Southampton. In this densely populated urban area, EE achieves an overall coverage score of 91/100 — driven by strong 5G coverage (82%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads Three by 2 points overall. While Three reaches 79% on 5G and 100% on 4G in Southampton, it falls short of EE's combined performance across all bands. Vodafone and O2 round out the field at 85 and 84 respectively.
Best phone deals from EE in Southampton
Pairing great coverage with great value, here are the top EE deals right now.
Coverage FAQ — Southampton
Q2
Is 5G available in Southampton?
Yes. EE leads 5G coverage in Southampton at 82% — rated as strong for this densely populated urban area.
Q3
How does Three compare?
Three is the second-best operator in Southampton with 89/100 overall (79% 5G, 100% 4G).
Q4
What affects coverage in Southampton?
Southampton is classified as a densely populated urban area with a population density score of 84%. Urban areas benefit from high tower density across all bands.