Best mobile network in SN6 Swindon postcode district

Based on Ofcom Connected Nations 2024 data, EE outperforms rivals in Swindon. In this mixed urban-rural area, EE achieves an overall coverage score of 85/100 — driven by strong 5G coverage (70%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE clearly leads Three by 8 points overall. While Three reaches 55% on 5G and 100% on 4G in Swindon, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 75 and 72 respectively.

EE has made solid 5G inroads across Swindon, reaching 70% of premises in SN6. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.

The runner-up in SN6 is Three at 77/100 (55% 5G / 100% 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.