Norwich mobile coverage Vodafone strongest indoors, 99% vs Three 83% NR postcode area
No network wins Norwich on overall coverage: all four are within 3 points, but indoors Vodafone reaches 99% of sampled addresses and Three 83%.
Norwich as a whole
Ofcom Mobile Coverage data (May 2025), measured across 806 addresses in 50 sampled postcodes, pooled from 9 districts. Methodology.
What differs inside Norwich
Where the networks split most
- NR9 Easton, Hingham, Hethersett: indoors O2 99%, Three 28%.
- NR4 Cringleford, Bixley, Colney: indoors EE, O2 and Vodafone 100%, Three 53%.
- NR8 Drayton, Taverham, Ringland: indoors EE 100%, Three 64%.
Each network's weakest and strongest district
| Network | Indoor | 5G-grade outdoor |
|---|---|---|
| EE | 76% in NR9 Easton; 100% in 8 districts | within 8 points |
| O2 | 70% in NR3 Sprowston; 100% in 6 districts | within 8 points |
| Three | 28% in NR9 Easton; 100% in 5 districts | 85% in NR9 Easton; 100% in 8 districts |
| Vodafone | 92% in NR8 Drayton; 100% in 7 districts | within 8 points |
Middle of the area against its edges
The 3 districts nearest the middle (NR2 Sprowston, NR3 Sprowston, NR5 Bawburgh) against the 3 furthest out (NR7 Sprowston, NR8 Drayton, NR9 Easton):
- Three indoors: 100% in the middle, 69% at the edges.
- O2 indoors: 87% in the middle, 99% at the edges.
- EE indoors: 100% in the middle, 92% at the edges.
District by district
| District | Places | Indoor, low to high | 5G-grade outdoor, low to high | Addresses |
|---|---|---|---|---|
| NR1 | Bixley, Sprowston, Caistor St Edmund | 100% on all four | 100% on all four | 109 |
| NR2 | Sprowston, Eaton, Nelson | 100% on all four | 100% on all four | 97 |
| NR3 | Sprowston, Old Catton, Crome | O2 70%; the rest 100% | 100% on all four | 123 |
| NR4 | Cringleford, Bixley, Colney | Three 53%; the rest 100% | 100% on all four | 105 |
| NR5 | Bawburgh, Costessey, Sprowston | 100% on all four | 100% on all four | 57 |
| NR6 | Sprowston, Old Catton, Hellesdon | Three 85%; the rest 100% | 100% on all four | 40 |
| NR7 | Sprowston, Great, Little Plumstead | 100% on all four | 100% on all four | 123 |
| NR8 | Drayton, Taverham, Ringland | Three 64%; EE 100% | 100% on all four | 66 |
| NR9 | Easton, Hingham, Hethersett | Three 28%; O2 99% | Three 85%; the rest 100% | 86 |
Guide: Best Mobile Network in Norwich (2026): NR1 to NR9 Compared
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