| Area/District | Active Postcodes |
| EH1 | 765 |
| EH10 | 1,149 |
| EH11 | 1,290 |
| EH12 | 1,716 |
| EH13 | 448 |
| EH14 | 1,275 |
| EH15 | 818 |
| EH16 | 1,160 |
| EH17 | 632 |
| EH18 | 124 |
| EH19 | 459 |
| EH2 | 795 |
| EH20 | 282 |
| EH21 | 857 |
| EH22 | 1,278 |
| EH23 | 341 |
| EH24 | 81 |
| EH25 | 152 |
| EH26 | 613 |
| EH27 | 84 |
| EH28 | 177 |
| EH29 | 132 |
| EH3 | 1,514 |
| EH30 | 286 |
| EH31 | 107 |
| EH32 | 587 |
| EH33 | 430 |
| EH34 | 97 |
| EH35 | 75 |
| EH36 | 11 |
| EH37 | 104 |
| EH38 | 15 |
| EH39 | 491 |
| EH4 | 2,180 |
| EH40 | 74 |
| EH41 | 529 |
| EH42 | 414 |
| EH43 | 29 |
| EH44 | 124 |
| EH45 | 440 |
| EH46 | 127 |
| EH47 | 819 |
| EH48 | 1,132 |
| EH49 | 554 |
| EH5 | 772 |
| EH51 | 479 |
| EH52 | 646 |
| EH53 | 311 |
| EH54 | 1,379 |
| EH55 | 307 |
| EH6 | 1,448 |
| EH7 | 1,144 |
| EH77 | 1 |
| EH8 | 769 |
| EH9 | 741 |
| EH91 | 25 |
| EH95 | 6 |
| EH99 | 3 |