Q1
Best network for SM6?
EE leads with 87/100 — driven by 75% 5G and 100% 4G in this suburban part of Sutton.
SM6 DISTRICT · SUTTON
Best mobile network in SM6 Sutton postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SM6 postcode district in Sutton.
RESULT · SM6 · SUTTON
Coverage for SM6 district
★ BEST OPERATOR
EE
87/100
EE delivers the strongest coverage for the SM6 district in Sutton. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SM6
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SM6
Based on Ofcom Connected Nations 2024 data, EE comes out on top for Sutton. In this suburban area, EE achieves an overall coverage score of 87/100 — driven by strong 5G coverage (75%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads Three by 5 points overall. While Three reaches 66% on 5G and 98% on 4G in Sutton, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 78 and 77 respectively.
Best phone deals from EE
Because signal quality matters most when choosing a phone contract, here are the top EE contracts available now.
Explore the Sutton area
View full coverage analysis for the Sutton (SM) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SM6
Q2
Is 5G available in SM6?
EE provides strong 5G coverage at 75%. Three follows at 66%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in suburban areas.
Q4
Is O2 worth considering?
O2 scores 78/100 in SM6 (58% 5G, 98% 4G). It may suit certain tariff or price preferences despite trailing the top two.