Best mobile network in GU6 Guildford postcode district

Based on Ofcom Connected Nations 2024 data, EE is the best choice for Guildford. In this suburban area, EE achieves an overall coverage score of 88/100 — driven by strong 5G coverage (77%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE comfortably leads O2 by 7 points overall. While O2 reaches 63% on 5G and 99% on 4G in Guildford, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 80 and 80 respectively.

EE has made solid 5G inroads across Guildford, reaching 77% of premises in GU6. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.

The runner-up in GU6 is O2 at 81/100 (63% 5G / 99% 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.