Q1
Best network for CO2?
EE leads with 83/100 — driven by 66% 5G and 99% 4G in this mixed urban-rural part of Colchester.
CO2 DISTRICT · COLCHESTER
Best mobile network in CO2 Colchester postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the CO2 postcode district in Colchester.
RESULT · CO2 · COLCHESTER
Coverage for CO2 district
★ BEST OPERATOR
EE
83/100
EE delivers the strongest coverage for the CO2 district in Colchester. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — CO2
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — CO2
Based on Ofcom Connected Nations 2024 data, EE delivers the strongest signal in Colchester. In this mixed urban-rural area, EE achieves an overall coverage score of 83/100 — driven by good 5G coverage (66%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE noticeably leads O2 by 6 points overall. While O2 reaches 55% on 5G and 99% on 4G in Colchester, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 76 and 70 respectively.
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Explore the Colchester area
View full coverage analysis for the Colchester (CO) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — CO2
Q2
Is 5G available in CO2?
EE provides good 5G coverage at 66%. O2 follows at 55%.
Q3
Which network has the best 4G?
EE leads 4G too at 99%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 76/100 in CO2 (55% 5G, 97% 4G). It may suit certain tariff or price preferences despite trailing the top two.