Best mobile network in GU11 Guildford postcode district

According to Ofcom's December 2024 Connected Nations report, EE comes out on top for Guildford. In this suburban area, EE achieves an overall coverage score of 87/100 — driven by strong 5G coverage (75%) and rock-solid 4G at 98%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE noticeably leads O2 by 7 points overall. While O2 reaches 62% 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 79 and 77 respectively.

EE has made solid 5G inroads across Guildford, reaching 75% of premises in GU11. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 98% keeps reliability high throughout.

The runner-up in GU11 is O2 at 80/100 (62% 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.