Q1
Best network for SO9?
EE leads with 92/100 — driven by 84% 5G and 100% 4G in this densely populated urban part of Southampton.
SO9 DISTRICT · SOUTHAMPTON
Best mobile network in SO9 Southampton postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SO9 postcode district in Southampton.
RESULT · SO9 · SOUTHAMPTON
Coverage for SO9 district
★ BEST OPERATOR
EE
92/100
EE delivers the strongest coverage for the SO9 district in Southampton. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SO9
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SO9
Comparing Ofcom-verified operator coverage footprints, EE scores highest across Southampton. In this densely populated urban area, EE achieves an overall coverage score of 92/100 — driven by strong 5G coverage (84%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads Three by 5 points overall. While Three reaches 75% on 5G and 100% on 4G in Southampton, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 87 and 85 respectively.
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View full coverage analysis for the Southampton (SO) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SO9
Q2
Is 5G available in SO9?
EE provides strong 5G coverage at 84%. Three follows at 75%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is O2 worth considering?
O2 scores 87/100 in SO9 (74% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.