Q1
Best network for EX5?
O2 leads with 99/100 — driven by 100% 5G and 100% 4G in this mixed urban-rural part of Exeter.
EX5 DISTRICT · EAST DEVON
Best mobile network in Cadbury EX5 · East Devon
O2 scores 99/100 — the best measured network for EX5 in Exeter, 11 points clear of the weakest. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 23 addresses in 5 sampled postcodes.
The EX5 district covers Cadbury, Feniton, Whimple and Woodbury, in East Devon. Signal varies street by street — scan your exact postcode below.
RESULT · EX5 · EXETER
Coverage for EX5 district
★ BEST MEASURED
O2
99/100
O2 has the strongest measured coverage for the EX5 district in Exeter, 11 points clear of the weakest network in Ofcom's data.
Full ranking — EX5
#1
O2
#2
Vodafone
#3
Three
#4
EE
Coverage analysis — EX5
According to Ofcom's Mobile Coverage data, O2 is the best choice for Exeter. In this mixed urban-rural area, O2 achieves an overall coverage score of 99/100 — driven by excellent 5G coverage (100%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
O2 noticeably leads Vodafone by 4 points overall. While Vodafone reaches 100% on 5G and 100% on 4G in Exeter, it falls short of O2's combined performance across all bands. Three and EE round out the field at 90 and 88 respectively.
Why O2 for EX5?
O2's 5G rollout in Exeter is among the strongest nationally, covering 100% of premises in the EX5 district. For anyone streaming video, gaming on mobile, or relying on a mobile hotspot at home, this level of 5G penetration makes a real difference to day-to-day speed.
The runner-up in EX5 is Vodafone at 95/100 (100% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in EX5, and your choice may come down to tariff, handset preference, or existing contract.
Switching to O2 in Cadbury
O2 has the strongest measured signal here — 99/100, with 100% 5G-grade and 100% 4G coverage across Cadbury, Feniton, Whimple and Woodbury, 11 points clear of the weakest. A cheaper plan on a network that does not reach your street costs more than it saves, so start from the coverage and pick the plan second.
Some links on this page are affiliate links. If you switch through one we may be paid a commission. It never changes which network we rank first - that comes from Ofcom coverage data alone.
Explore the Exeter area
View full coverage analysis for the Exeter (EX) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — EX5
Q2
Is 5G available in EX5?
O2 provides excellent 5G coverage at 100%. Vodafone follows at 100%.
Q3
Which network has the best 4G?
O2 leads 4G too at 100%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 90/100 in EX5 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.