Which mobile network is best for the CF6 postcode district?

EE is the best mobile network for the CF6 district in Cardiff, scoring 92/100 overall with 85% 5G and 100% 4G coverage.

Is there 5G coverage at CF6?

EE provides excellent 5G coverage in the CF6 area at 85%. This is a densely populated urban area, which benefits from high operator investment in 5G infrastructure.

What are the best phone deals near CF6?

Based on coverage for CF6, 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 Cardiff?

Three scores 86/100 in CF6, behind EE's 92/100. Three achieves 73% 5G versus EE's 85%.

CF6 DISTRICT · CARDIFF

Best mobile network in CF6 Cardiff postcode district

Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the CF6 postcode district in Cardiff.

RESULT · CF6 · CARDIFF

Coverage for CF6 district

Cardiff · Densely populated urban density area · CF postcode area

★ BEST OPERATOR

92/100

EE delivers the strongest coverage for the CF6 district in Cardiff. Scored across 5G, 4G and 3G using the latest UK operator footprint data.

85%

100%

99%

Full ranking — CF6

Overall: 92/100

85%

100%

99%

Three

Overall: 86/100

73%

100%

97%

Vodafone

Overall: 86/100

73%

99%

100%

Overall: 85/100

70%

99%

100%

Coverage analysis — CF6

Based on Ofcom Connected Nations 2024 data, EE comes out on top for Cardiff. In this densely populated urban area, EE achieves an overall coverage score of 92/100 — 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 clearly leads Three by 6 points overall. While Three reaches 73% on 5G and 100% on 4G in Cardiff, it falls short of EE's combined performance across all bands. Vodafone and O2 round out the field at 86 and 85 respectively.

Best phone deals from EE

Once you've found the best network for your area, 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 Cardiff area

View full coverage analysis for the Cardiff (CF) area, or enter any UK postcode in the scanner above for a personalised result.

Coverage FAQ — CF6

Best network for CF6?

EE leads with 92/100 — driven by 85% 5G and 100% 4G in this densely populated urban part of Cardiff.

Is 5G available in CF6?

EE provides excellent 5G coverage at 85%. Three follows at 73%.

Which network has the best 4G?

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

Is Vodafone worth considering?

Vodafone scores 86/100 in CF6 (73% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.