Q1
Best network for SG3?
EE leads with 89/100 — driven by 79% 5G and 100% 4G in this suburban part of Stevenage.
SG3 DISTRICT · STEVENAGE
Best mobile network in SG3 Stevenage postcode district
EE scores 89/100 — the top-ranked UK network for SG3 in Stevenage. 79% 5G · 100% 4G coverage. Data: Ofcom Connected Nations 2024.
RESULT · SG3 · STEVENAGE
Coverage for SG3 district
★ BEST OPERATOR
EE
89/100
EE delivers the strongest coverage for the SG3 district in Stevenage. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SG3
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SG3
Based on Ofcom Connected Nations 2024 data, EE scores highest across 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 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE consistently leads Three by 6 points overall. While Three reaches 68% on 5G and 99% on 4G in Stevenage, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 81 and 77 respectively.
Why EE for SG3?
EE has made solid 5G inroads across Stevenage, reaching 79% of premises in SG3. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.
The runner-up in SG3 is Three at 83/100 (68% 5G / 99% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with Three, 4G performance should still be solid.
Best phone deals from EE
To make the most of your winning network, 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 — SG3
Q2
Is 5G available in SG3?
EE provides strong 5G coverage at 79%. Three follows at 68%.
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 81/100 in SG3 (63% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.