Q1
Best network for SN3?
EE leads with 84/100 — driven by 68% 5G and 100% 4G in this mixed urban-rural part of Swindon.
SN3 DISTRICT · SWINDON
Best mobile network in SN3 Swindon postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SN3 postcode district in Swindon.
RESULT · SN3 · SWINDON
Coverage for SN3 district
★ BEST OPERATOR
EE
84/100
EE delivers the strongest coverage for the SN3 district in Swindon. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SN3
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — SN3
According to Ofcom's December 2024 Connected Nations report, EE scores highest across Swindon. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by good 5G coverage (68%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads O2 by 8 points overall. While O2 reaches 55% on 5G and 97% on 4G in Swindon, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 75 and 71 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 Swindon area
View full coverage analysis for the Swindon (SN) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SN3
Q2
Is 5G available in SN3?
EE provides good 5G coverage at 68%. O2 follows at 55%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 75/100 in SN3 (52% 5G, 98% 4G). It may suit certain tariff or price preferences despite trailing the top two.