Q1
Best network for IP5?
O2 leads with 100/100 — driven by 100% 5G and 100% 4G in this mixed urban-rural part of Ipswich.
IP5 DISTRICT · EAST SUFFOLK
Best mobile network in Kesgrave IP5 · East Suffolk
O2 scores 100/100 — the best measured network for IP5 in Ipswich, 15 points clear of the weakest. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 119 addresses in 6 sampled postcodes.
The IP5 district covers Kesgrave, Martlesham, Playford and Brightwell, in East Suffolk. Signal varies street by street — scan your exact postcode below.
RESULT · IP5 · IPSWICH
Coverage for IP5 district
★ BEST MEASURED
O2
100/100
O2 has the strongest measured coverage for the IP5 district in Ipswich, 15 points clear of the weakest network in Ofcom's data.
Full ranking — IP5
#1
O2
#2
Vodafone
#3
EE
#4
Three
Coverage analysis — IP5
Based on Ofcom's measurements, O2 is the clear winner in Ipswich. In this mixed urban-rural area, O2 achieves an overall coverage score of 100/100 — 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 0 points overall. While Vodafone reaches 100% on 5G and 100% on 4G in Ipswich, it falls short of O2's combined performance across all bands. EE and Three round out the field at 93 and 85 respectively.
Why O2 for IP5?
O2's 5G rollout in Ipswich is among the strongest nationally, covering 100% of premises in the IP5 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 IP5 is Vodafone at 100/100 (100% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in IP5, and your choice may come down to tariff, handset preference, or existing contract.
Switching to O2 in Kesgrave
O2 has the strongest measured signal here — 100/100, with 100% 5G-grade and 100% 4G coverage across Kesgrave, Martlesham, Playford and Brightwell, 15 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 Ipswich area
View full coverage analysis for the Ipswich (IP) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — IP5
Q2
Is 5G available in IP5?
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 EE worth considering?
EE scores 93/100 in IP5 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.