Best mobile network in SS7 Southend postcode district

According to Ofcom's December 2024 Connected Nations report, EE leads the field in Southend. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by strong 5G coverage (70%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE consistently leads O2 by 8 points overall. While O2 reaches 53% on 5G and 99% on 4G in Southend, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 73 and 72 respectively.

EE has made solid 5G inroads across Southend, reaching 70% of premises in SS7. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.

The runner-up in SS7 is O2 at 76/100 (53% 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.