| Area/District | Active Postcodes |
| BS0 | 1 |
| BS1 | 1,769 |
| BS10 | 882 |
| BS11 | 767 |
| BS12 | 1,946 |
| BS13 | 813 |
| BS14 | 747 |
| BS15 | 2,542 |
| BS16 | 2,553 |
| BS17 | 1,655 |
| BS18 | 2,155 |
| BS19 | 1,153 |
| BS2 | 949 |
| BS20 | 1,472 |
| BS21 | 941 |
| BS22 | 1,525 |
| BS23 | 1,548 |
| BS24 | 887 |
| BS25 | 332 |
| BS26 | 289 |
| BS27 | 350 |
| BS28 | 237 |
| BS29 | 138 |
| BS3 | 1,262 |
| BS30 | 904 |
| BS31 | 840 |
| BS32 | 697 |
| BS34 | 1,204 |
| BS35 | 972 |
| BS36 | 579 |
| BS37 | 1,234 |
| BS38 | 5 |
| BS39 | 727 |
| BS4 | 1,376 |
| BS40 | 860 |
| BS41 | 247 |
| BS48 | 977 |
| BS49 | 412 |
| BS5 | 1,555 |
| BS6 | 1,053 |
| BS7 | 817 |
| BS77 | 10 |
| BS8 | 1,223 |
| BS80 | 19 |
| BS9 | 1,220 |
| BS98 | 17 |
| BS99 | 1,983 |