Q1
Best network for SA3?
EE leads with 83/100 — driven by 67% 5G and 99% 4G in this mixed urban-rural part of Swansea.
SA3 DISTRICT · SWANSEA
Best mobile network in SA3 Swansea postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SA3 postcode district in Swansea.
RESULT · SA3 · SWANSEA
Coverage for SA3 district
★ BEST OPERATOR
EE
83/100
EE delivers the strongest coverage for the SA3 district in Swansea. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SA3
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — SA3
Comparing Ofcom-verified operator coverage footprints, EE delivers the strongest signal in Swansea. In this mixed urban-rural area, EE achieves an overall coverage score of 83/100 — driven by good 5G coverage (67%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads O2 by 7 points overall. While O2 reaches 55% on 5G and 97% on 4G in Swansea, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 73 and 71 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 — SA3
Q2
Is 5G available in SA3?
EE provides good 5G coverage at 67%. O2 follows at 55%.
Q3
Which network has the best 4G?
EE leads 4G too at 99%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 73/100 in SA3 (48% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.