PO3 DISTRICT · PORTSMOUTH
Copnor mobile coverage EE 100% indoors here, 91% across Portsmouth PO3 · Portsmouth
No network wins PO3 on overall coverage: all four score 100/100.
PO3: Copnor, Hilsea, Milton, Baffins, Fratton, Charles Dickens.
PO3 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 83 addresses in 6 sampled postcodes: PO3 5AF, PO3 5BB, PO3 5DJ, PO3 5GA, PO3 5NP, PO3 6JY. Methodology.
How PO3 compares
Against the Portsmouth average
- EE indoors: 100% here, 91% across Portsmouth (+9).
Weakest spot in Portsmouth: PO17 Wickham, where EE reaches 28% indoors.
Indoor signal around PO3
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| PO3 Copnor (here) | – | 100% | 100% | 100% | 100% |
| PO2 Copnor, Hilsea | 1 | 100% | 100% | 100% | 100% |
| PO1 Nelson, Fratton small sample | 3 | 100% | 100% | 100% | 100% |
| PO4 Milton, Baffins | 3 | 100% | 100% | 100% | 100% |
| PO6 Cosham, Drayton | 3 | 100% | 100% | 100% | 100% |
| Portsmouth average | – | 91% | 98% | 98% | 99% |
Small sample: under 30 addresses sampled.
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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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