Q1
Best network for PO19?
EE leads with 92/100 — driven by 83% 5G and 100% 4G in this densely populated urban part of Portsmouth.
PO19 DISTRICT · PORTSMOUTH
Best mobile network in PO19 Portsmouth postcode district
EE scores 92/100 — the top-ranked UK network for PO19 in Portsmouth. 83% 5G · 100% 4G coverage. Data: Ofcom Connected Nations 2024.
RESULT · PO19 · PORTSMOUTH
Coverage for PO19 district
★ BEST OPERATOR
EE
92/100
EE delivers the strongest coverage for the PO19 district in Portsmouth. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — PO19
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — PO19
Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE is the clear winner in Portsmouth. In this densely populated urban area, EE achieves an overall coverage score of 92/100 — driven by strong 5G coverage (83%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads O2 by 5 points overall. While O2 reaches 74% on 5G and 100% on 4G in Portsmouth, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 86 and 86 respectively.
Why EE for PO19?
EE's 5G rollout in Portsmouth is among the strongest nationally, covering 83% of premises in the PO19 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 PO19 is O2 at 87/100 (74% 5G / 100% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with O2, 4G performance should still be solid.
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Explore the Portsmouth area
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Coverage FAQ — PO19
Q2
Is 5G available in PO19?
EE provides strong 5G coverage at 83%. O2 follows at 74%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is Three worth considering?
Three scores 86/100 in PO19 (72% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.