Q1
Best network for HA20?
EE leads with 93/100 — driven by 85% 5G and 100% 4G in this densely populated urban part of Harrow.
HA20 DISTRICT · HARROW
Best mobile network in HA20 Harrow postcode district
EE scores 93/100 — the top-ranked UK network for HA20 in Harrow. 85% 5G · 100% 4G coverage. Data: Ofcom Connected Nations 2024.
RESULT · HA20 · HARROW
Coverage for HA20 district
★ BEST OPERATOR
EE
93/100
EE delivers the strongest coverage for the HA20 district in Harrow. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — HA20
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — HA20
Based on Ofcom Connected Nations 2024 data, EE delivers the strongest signal in Harrow. In this densely populated urban area, EE achieves an overall coverage score of 93/100 — driven by excellent 5G coverage (85%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE consistently leads Three by 4 points overall. While Three reaches 79% on 5G and 99% on 4G in Harrow, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 84 and 83 respectively.
Why EE for HA20?
EE's 5G rollout in Harrow is among the strongest nationally, covering 85% of premises in the HA20 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 HA20 is Three at 89/100 (79% 5G / 99% 4G). It is a close contest — both operators deliver strong coverage in HA20, and your choice may come down to tariff, handset preference, or existing contract.
Best phone deals from EE
To make the most of your winning network, here are the top EE contracts available now.
Explore the Harrow area
View full coverage analysis for the Harrow (HA) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — HA20
Q2
Is 5G available in HA20?
EE provides excellent 5G coverage at 85%. Three follows at 79%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is O2 worth considering?
O2 scores 84/100 in HA20 (68% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.