| Area/District | Active Postcodes |
| BT1 | 1,563 |
| BT10 | 315 |
| BT11 | 543 |
| BT12 | 942 |
| BT13 | 794 |
| BT14 | 786 |
| BT15 | 846 |
| BT16 | 777 |
| BT17 | 621 |
| BT18 | 524 |
| BT19 | 1,407 |
| BT2 | 345 |
| BT20 | 975 |
| BT21 | 275 |
| BT22 | 630 |
| BT23 | 2,090 |
| BT24 | 567 |
| BT25 | 503 |
| BT26 | 302 |
| BT27 | 697 |
| BT28 | 1,254 |
| BT29 | 396 |
| BT3 | 164 |
| BT30 | 1,260 |
| BT31 | 299 |
| BT32 | 860 |
| BT33 | 336 |
| BT34 | 1,654 |
| BT35 | 1,471 |
| BT36 | 1,739 |
| BT37 | 679 |
| BT38 | 1,073 |
| BT39 | 666 |
| BT4 | 934 |
| BT40 | 904 |
| BT41 | 1,184 |
| BT42 | 1,022 |
| BT43 | 705 |
| BT44 | 735 |
| BT45 | 1,115 |
| BT46 | 326 |
| BT47 | 1,795 |
| BT48 | 1,514 |
| BT49 | 550 |
| BT5 | 1,246 |
| BT51 | 883 |
| BT52 | 612 |
| BT53 | 828 |
| BT54 | 281 |
| BT55 | 331 |
| BT56 | 268 |
| BT57 | 191 |
| BT58 | 14 |
| BT6 | 743 |
| BT60 | 1,039 |
| BT61 | 634 |
| BT62 | 907 |
| BT63 | 561 |
| BT64 | 152 |
| BT65 | 200 |
| BT66 | 887 |
| BT67 | 545 |
| BT68 | 53 |
| BT69 | 100 |
| BT7 | 632 |
| BT70 | 793 |
| BT71 | 1,162 |
| BT74 | 980 |
| BT75 | 154 |
| BT76 | 79 |
| BT77 | 56 |
| BT78 | 1,337 |
| BT79 | 1,041 |
| BT8 | 1,115 |
| BT80 | 770 |
| BT81 | 317 |
| BT82 | 792 |
| BT9 | 850 |
| BT92 | 1,516 |
| BT93 | 1,089 |
| BT94 | 1,039 |
| BT99 | 5 |