Q1
Best network for SG9?
EE leads with 89/100 — driven by 78% 5G and 100% 4G in this suburban part of Stevenage.
SG9 DISTRICT · STEVENAGE
Best mobile network in SG9 Stevenage postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SG9 postcode district in Stevenage.
RESULT · SG9 · STEVENAGE
Coverage for SG9 district
★ BEST OPERATOR
EE
89/100
EE delivers the strongest coverage for the SG9 district in Stevenage. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SG9
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — SG9
Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE leads the field in Stevenage. In this suburban area, EE achieves an overall coverage score of 89/100 — driven by strong 5G coverage (78%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads O2 by 9 points overall. While O2 reaches 62% on 5G and 98% on 4G in Stevenage, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 79 and 77 respectively.
Best phone deals from EE
Once you've found the best network for your area, 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 — SG9
Q2
Is 5G available in SG9?
EE provides strong 5G coverage at 78%. O2 follows at 62%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in suburban areas.
Q4
Is Three worth considering?
Three scores 79/100 in SG9 (60% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.