Which mobile network is best for the HA3 postcode district?

EE is the best mobile network for the HA3 district in Harrow, scoring 93/100 overall with 87% 5G and 100% 4G coverage.

Is there 5G coverage at HA3?

EE provides excellent 5G coverage in the HA3 area at 87%. This is a densely populated urban area, which benefits from high operator investment in 5G infrastructure.

What are the best phone deals near HA3?

Based on coverage for HA3, EE offers the best value combination of signal and deals. Current deals start from £35.00/month. Enter your full postcode on NetScan UK to see personalised results.

How does Three compare to EE in Harrow?

Three scores 90/100 in HA3, behind EE's 93/100. Three achieves 80% 5G versus EE's 87%.

HA3 DISTRICT · HARROW

Best mobile network in HA3 Harrow postcode district

Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the HA3 postcode district in Harrow.

RESULT · HA3 · HARROW

Coverage for HA3 district

Harrow · Densely populated urban density area · HA postcode area

★ BEST OPERATOR

93/100

EE delivers the strongest coverage for the HA3 district in Harrow. Scored across 5G, 4G and 3G using the latest UK operator footprint data.

87%

100%

99%

Full ranking — HA3

Overall: 93/100

87%

100%

99%

Three

Overall: 90/100

80%

100%

99%

Overall: 84/100

68%

100%

99%

Vodafone

Overall: 84/100

69%

100%

98%

Coverage analysis — HA3

According to Ofcom's December 2024 Connected Nations report, EE comes out on top for Harrow. In this densely populated urban area, EE achieves an overall coverage score of 93/100 — driven by excellent 5G coverage (87%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE noticeably leads Three by 3 points overall. While Three reaches 80% on 5G and 100% 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 84 respectively.

Best phone deals from EE

Pairing great coverage with great value, here are the top EE contracts available now.

Apple Smart Benefits

iPhone 16 128GB

£35.00/mo + £30 upfront

100GB data 24-month contract

View on EE →

Apple Apple TV+

iPhone 16 Pro 256GB

£52.00/mo + £30 upfront

Unlimited data 24-month contract

View on EE →

Apple 5G Stay Fast

iPhone 16 Plus 128GB

£40.00/mo + £30 upfront

250GB data 24-month contract

View on EE →

Apple Best for budget

iPhone 16e 128GB

£25.21/mo + £30 upfront

50GB data 24-month contract

View on EE →

Samsung Free upgrade @18mo

Galaxy S25 256GB

£42.00/mo + £30 upfront

Unlimited data 24-month contract

View on EE →

Samsung Galaxy AI

Galaxy S25 Ultra 256GB

£58.00/mo + £30 upfront

Unlimited data 24-month contract

View on EE →

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 — HA3

Best network for HA3?

EE leads with 93/100 — driven by 87% 5G and 100% 4G in this densely populated urban part of Harrow.

Is 5G available in HA3?

EE provides excellent 5G coverage at 87%. Three follows at 80%.

Which network has the best 4G?

EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.

Is O2 worth considering?

O2 scores 84/100 in HA3 (68% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.