Best mobile network in AL13 St Albans postcode district

Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE is the clear winner in St Albans. 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 9 points overall. While Three reaches 62% on 5G and 97% on 4G in St Albans, 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 St Albans, reaching 79% of premises in AL13. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.

The runner-up in AL13 is Three at 80/100 (62% 5G / 97% 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.