Q1
Best network for SA4?
EE leads with 83/100 — driven by 69% 5G and 98% 4G in this mixed urban-rural part of Swansea.
SA4 DISTRICT · SWANSEA
Best mobile network in SA4 Swansea postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SA4 postcode district in Swansea.
RESULT · SA4 · SWANSEA
Coverage for SA4 district
★ BEST OPERATOR
EE
83/100
EE delivers the strongest coverage for the SA4 district in Swansea. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SA4
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — SA4
Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE scores highest across Swansea. In this mixed urban-rural area, EE achieves an overall coverage score of 83/100 — driven by good 5G coverage (69%) and rock-solid 4G at 98%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE noticeably leads O2 by 9 points overall. While O2 reaches 49% on 5G and 98% 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 72 respectively.
Best phone deals from EE
Pairing great coverage with great value, here are the top EE contracts available now.
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 — SA4
Q2
Is 5G available in SA4?
EE provides good 5G coverage at 69%. O2 follows at 49%.
Q3
Which network has the best 4G?
EE leads 4G too at 98%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 73/100 in SA4 (49% 5G, 98% 4G). It may suit certain tariff or price preferences despite trailing the top two.