Q1
Best network for UB4?
EE leads with 92/100 — driven by 85% 5G and 100% 4G in this densely populated urban part of Southall.
UB4 DISTRICT · SOUTHALL
Best mobile network in UB4 Southall postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the UB4 postcode district in Southall.
RESULT · UB4 · SOUTHALL
Coverage for UB4 district
★ BEST OPERATOR
EE
92/100
EE delivers the strongest coverage for the UB4 district in Southall. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — UB4
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — UB4
Based on Ofcom Connected Nations 2024 data, EE scores highest across Southall. In this densely populated urban area, EE achieves an overall coverage score of 92/100 — driven by excellent 5G coverage (85%) 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 74% on 5G and 100% on 4G in Southall, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 86 and 85 respectively.
Best phone deals from EE
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Explore the Southall area
View full coverage analysis for the Southall (UB) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — UB4
Q2
Is 5G available in UB4?
EE provides excellent 5G coverage at 85%. Three follows at 74%.
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 86/100 in UB4 (73% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.