Q1
Best network for SO1?
EE leads with 91/100 — driven by 82% 5G and 100% 4G in this densely populated urban part of Southampton.
SO1 DISTRICT · SOUTHAMPTON
Best mobile network in SO1 Southampton postcode district
EE scores 91/100 — the top-ranked UK network for SO1 in Southampton. 82% 5G · 100% 4G coverage. Data: Ofcom Connected Nations 2024.
RESULT · SO1 · SOUTHAMPTON
Coverage for SO1 district
★ BEST OPERATOR
EE
91/100
EE delivers the strongest coverage for the SO1 district in Southampton. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SO1
#1
EE
#2
Three
#3
Vodafone
#4
O2
Coverage analysis — SO1
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.
Why EE for SO1?
EE's 5G rollout in Southampton is among the strongest nationally, covering 82% of premises in the SO1 district. For anyone streaming video, gaming on mobile, or relying on a mobile hotspot at home, this level of 5G penetration makes a real difference to day-to-day speed.
The runner-up in SO1 is Three at 89/100 (79% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in SO1, and your choice may come down to tariff, handset preference, or existing contract.
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Explore the Southampton area
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Coverage FAQ — SO1
Q2
Is 5G available in SO1?
EE provides strong 5G coverage at 82%. Three follows at 79%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is Vodafone worth considering?
Vodafone scores 85/100 in SO1 (70% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.