| Area/District | Active Postcodes |
| PH1 | 1,533 |
| PH10 | 532 |
| PH11 | 202 |
| PH12 | 99 |
| PH13 | 200 |
| PH14 | 77 |
| PH15 | 222 |
| PH16 | 267 |
| PH17 | 15 |
| PH18 | 49 |
| PH19 | 8 |
| PH2 | 1,653 |
| PH20 | 63 |
| PH21 | 118 |
| PH22 | 144 |
| PH23 | 36 |
| PH24 | 27 |
| PH25 | 37 |
| PH26 | 161 |
| PH3 | 285 |
| PH30 | 1 |
| PH31 | 19 |
| PH32 | 46 |
| PH33 | 549 |
| PH34 | 31 |
| PH35 | 19 |
| PH36 | 40 |
| PH37 | 6 |
| PH38 | 6 |
| PH39 | 15 |
| PH4 | 46 |
| PH40 | 10 |
| PH41 | 42 |
| PH42 | 2 |
| PH43 | 1 |
| PH44 | 1 |
| PH49 | 45 |
| PH5 | 46 |
| PH50 | 46 |
| PH6 | 129 |
| PH7 | 443 |
| PH8 | 138 |
| PH9 | 55 |