Q1
Best network for IP6?
O2 leads with 99/100 — driven by 100% 5G and 100% 4G in this mixed urban-rural part of Ipswich.
IP6 DISTRICT · EAST SUFFOLK
Best mobile network in Barham IP6 · East Suffolk
O2 scores 99/100 — the best measured network for IP6 in Ipswich, 7 points clear of the weakest. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 20 addresses in 6 sampled postcodes.
The IP6 district covers Barham, Claydon, Battisford and Needham Market, in East Suffolk. Signal varies street by street — scan your exact postcode below.
RESULT · IP6 · IPSWICH
Coverage for IP6 district
★ BEST MEASURED
O2
99/100
O2 has the strongest measured coverage for the IP6 district in Ipswich, 7 points clear of the weakest network in Ofcom's data.
Full ranking — IP6
#1
O2
#2
Three
#3
EE
#4
Vodafone
Coverage analysis — IP6
According to Ofcom's Mobile Coverage data, O2 is the clear winner in Ipswich. 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 clearly leads Three by 0 points overall. While Three reaches 100% on 5G and 100% on 4G in Ipswich, it falls short of O2's combined performance across all bands. EE and Vodafone round out the field at 97 and 92 respectively.
Why O2 for IP6?
O2's 5G rollout in Ipswich is among the strongest nationally, covering 100% of premises in the IP6 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 IP6 is Three at 99/100 (100% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in IP6, and your choice may come down to tariff, handset preference, or existing contract.
Switching to O2 in Barham
O2 has the strongest measured signal here — 99/100, with 100% 5G-grade and 100% 4G coverage across Barham, Claydon, Battisford and Needham Market, 7 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 — IP6
Q2
Is 5G available in IP6?
O2 provides excellent 5G coverage at 100%. Three 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 97/100 in IP6 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.