Best mobile network in DA20 Dartford postcode district

Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE delivers the strongest signal in Dartford. In this suburban area, EE achieves an overall coverage score of 89/100 — driven by strong 5G coverage (78%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE consistently leads Three by 8 points overall. While Three reaches 62% on 5G and 100% on 4G in Dartford, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 79 and 76 respectively.

EE has made solid 5G inroads across Dartford, reaching 78% of premises in DA20. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.

The runner-up in DA20 is Three at 81/100 (62% 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.