| Area/District | Active Postcodes |
| NG1 | 1,592 |
| NG10 | 1,307 |
| NG11 | 1,063 |
| NG12 | 1,160 |
| NG13 | 796 |
| NG14 | 681 |
| NG15 | 1,203 |
| NG16 | 1,707 |
| NG17 | 1,918 |
| NG18 | 1,649 |
| NG19 | 1,376 |
| NG2 | 2,064 |
| NG20 | 812 |
| NG21 | 607 |
| NG22 | 992 |
| NG23 | 843 |
| NG24 | 1,620 |
| NG25 | 329 |
| NG3 | 1,340 |
| NG31 | 1,514 |
| NG32 | 710 |
| NG33 | 509 |
| NG34 | 1,527 |
| NG4 | 1,181 |
| NG5 | 2,492 |
| NG6 | 1,010 |
| NG7 | 1,741 |
| NG70 | 21 |
| NG8 | 1,726 |
| NG80 | 56 |
| NG9 | 2,097 |
| NG90 | 30 |