Best mobile network in EX4 Exeter postcode district

Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE is the clear winner in Exeter. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by strong 5G coverage (70%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE consistently leads O2 by 9 points overall. While O2 reaches 51% on 5G and 100% on 4G in Exeter, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 73 and 71 respectively.

EE has made solid 5G inroads across Exeter, reaching 70% of premises in EX4. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.

The runner-up in EX4 is O2 at 75/100 (51% 5G / 100% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with O2, 4G performance should still be solid.