Q1
Best network for SA9?
EE leads with 84/100 — driven by 69% 5G and 99% 4G in this mixed urban-rural part of Swansea.
SA9 DISTRICT · SWANSEA
Best mobile network in SA9 Swansea postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SA9 postcode district in Swansea.
RESULT · SA9 · SWANSEA
Coverage for SA9 district
★ BEST OPERATOR
EE
84/100
EE delivers the strongest coverage for the SA9 district in Swansea. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SA9
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SA9
According to Ofcom's December 2024 Connected Nations report, EE is the best choice for Swansea. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by good 5G coverage (69%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE consistently leads Three by 8 points overall. While Three reaches 53% 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 74 and 73 respectively.
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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 — SA9
Q2
Is 5G available in SA9?
EE provides good 5G coverage at 69%. Three follows at 53%.
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 74/100 in SA9 (51% 5G, 97% 4G). It may suit certain tariff or price preferences despite trailing the top two.