Best mobile network in GU1 Guildford postcode district

Based on Ofcom Connected Nations 2024 data, EE leads the field in Guildford. In this suburban area, EE achieves an overall coverage score of 89/100 — driven by strong 5G coverage (79%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE consistently leads Three by 6 points overall. While Three reaches 67% on 5G and 98% on 4G in Guildford, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 81 and 77 respectively.

EE has made solid 5G inroads across Guildford, reaching 79% of premises in GU1. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.

The runner-up in GU1 is Three at 83/100 (67% 5G / 98% 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.