Best mobile network in DL7 Darlington postcode district

Based on Ofcom Connected Nations 2024 data, EE is the clear winner in Darlington. In this mixed urban-rural area, EE achieves an overall coverage score of 83/100 — driven by good 5G coverage (67%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE clearly leads Three by 6 points overall. While Three reaches 56% on 5G and 98% on 4G in Darlington, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 74 and 71 respectively.

EE has made solid 5G inroads across Darlington, reaching 67% of premises in DL7. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.

The runner-up in DL7 is Three at 77/100 (56% 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.