CF3 DISTRICT · CAERPHILLY
Rudry mobile coverage Within 8 points of the Cardiff average CF3 · Caerphilly
No network wins CF3 on overall coverage: all four score 100/100.
CF3: Rudry, Rumney, Llanrumney, Marshfield, Trowbridge, Wentlooge, Old St. Mellons, Michaelstone-y-Fedw (Caerphilly, Cardiff, Newport).
CF3 scores
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EE
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O2
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Three
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Vodafone
Ofcom Mobile Coverage data (May 2025), measured across 132 addresses in 6 sampled postcodes: CF3 0AA, CF3 0BE, CF3 1QW, CF3 1RT, CF3 1UL, CF3 5TL. Methodology.
How CF3 compares
Every network here is within 8 points of the Cardiff average and of CF14 Heath, CF10 Splott, CF11 Canton and CF5 Radyr, indoors and outdoors.
Indoor signal around CF3
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1pMobile runs on EE's network: £5 a month for 5GB (read 19 October 2026). A price, not a coverage ranking: Ofcom separates no network here.
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