Which mobile network is best for the SG20 postcode district?

EE is the best mobile network for the SG20 district in Stevenage, scoring 88/100 overall with 77% 5G and 100% 4G coverage.

Is there 5G coverage at SG20?

EE provides strong 5G coverage in the SG20 area at 77%. This is a suburban area, which benefits from high operator investment in 5G infrastructure.

What are the best phone deals near SG20?

Based on coverage for SG20, 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 Stevenage?

Three scores 81/100 in SG20, behind EE's 88/100. Three achieves 65% 5G versus EE's 77%.

SG20 DISTRICT · STEVENAGE

Best mobile network in SG20 Stevenage postcode district

Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SG20 postcode district in Stevenage.

RESULT · SG20 · STEVENAGE

Coverage for SG20 district

Stevenage · Suburban density area · SG postcode area

★ BEST OPERATOR

88/100

EE delivers the strongest coverage for the SG20 district in Stevenage. Scored across 5G, 4G and 3G using the latest UK operator footprint data.

77%

100%

99%

Full ranking — SG20

Overall: 88/100

77%

100%

99%

Three

Overall: 81/100

65%

98%

96%

Overall: 78/100

57%

100%

98%

Vodafone

Overall: 78/100

56%

100%

98%

Coverage analysis — SG20

Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE is the best choice for Stevenage. In this suburban area, EE achieves an overall coverage score of 88/100 — driven by strong 5G coverage (77%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE comfortably leads Three by 7 points overall. While Three reaches 65% on 5G and 98% on 4G in Stevenage, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 78 and 78 respectively.

Best phone deals from EE

Because signal quality matters most when choosing a phone contract, 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 Stevenage area

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

Coverage FAQ — SG20

Best network for SG20?

EE leads with 88/100 — driven by 77% 5G and 100% 4G in this suburban part of Stevenage.

Is 5G available in SG20?

EE provides strong 5G coverage at 77%. Three follows at 65%.

Which network has the best 4G?

EE leads 4G too at 100%. Reliable 4G is critical in suburban areas.

Is O2 worth considering?

O2 scores 78/100 in SG20 (57% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.