Q1
Best network for SG11?
EE leads with 89/100 — driven by 79% 5G and 99% 4G in this suburban part of Stevenage.
SG11 DISTRICT · STEVENAGE
Best mobile network in SG11 Stevenage postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SG11 postcode district in Stevenage.
RESULT · SG11 · STEVENAGE
Coverage for SG11 district
★ BEST OPERATOR
EE
89/100
EE delivers the strongest coverage for the SG11 district in Stevenage. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SG11
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SG11
Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE is the clear winner in Stevenage. In this suburban area, EE achieves an overall coverage score of 89/100 — driven by strong 5G coverage (79%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads Three by 8 points overall. While Three reaches 63% on 5G and 100% on 4G in Stevenage, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 79 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 Stevenage area
View full coverage analysis for the Stevenage (SG) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SG11
Q2
Is 5G available in SG11?
EE provides strong 5G coverage at 79%. Three follows at 63%.
Q3
Which network has the best 4G?
EE leads 4G too at 99%. Reliable 4G is critical in suburban areas.
Q4
Is O2 worth considering?
O2 scores 79/100 in SG11 (60% 5G, 98% 4G). It may suit certain tariff or price preferences despite trailing the top two.