Best mobile network in CB6 Cambridge postcode district

Comparing Ofcom-verified operator coverage footprints, EE is the clear winner in Cambridge. In this mixed urban-rural area, EE achieves an overall coverage score of 85/100 — driven by good 5G coverage (69%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE clearly leads Three by 9 points overall. While Three reaches 55% on 5G and 97% on 4G in Cambridge, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 76 and 73 respectively.

EE has made solid 5G inroads across Cambridge, reaching 69% of premises in CB6. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.

The runner-up in CB6 is Three at 76/100 (55% 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.