Q1
Best network for SA1?
EE leads with 84/100 — driven by 70% 5G and 99% 4G in this mixed urban-rural part of Swansea.
SA1 DISTRICT · SWANSEA
Best mobile network in SA1 Swansea postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SA1 postcode district in Swansea.
RESULT · SA1 · SWANSEA
Coverage for SA1 district
★ BEST OPERATOR
EE
84/100
EE delivers the strongest coverage for the SA1 district in Swansea. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SA1
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SA1
Comparing Ofcom-verified operator coverage footprints, EE scores highest across Swansea. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by strong 5G coverage (70%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE consistently leads Three by 6 points overall. While Three reaches 56% on 5G and 100% on 4G in Swansea, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 73 and 72 respectively.
Best phone deals from EE
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Explore the Swansea area
View full coverage analysis for the Swansea (SA) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SA1
Q2
Is 5G available in SA1?
EE provides strong 5G coverage at 70%. Three follows at 56%.
Q3
Which network has the best 4G?
EE leads 4G too at 99%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is O2 worth considering?
O2 scores 73/100 in SA1 (47% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.