| Area/District | Active Postcodes |
| G1 | 1,223 |
| G11 | 798 |
| G12 | 959 |
| G13 | 1,091 |
| G14 | 588 |
| G15 | 581 |
| G2 | 2,201 |
| G20 | 1,236 |
| G21 | 1,019 |
| G22 | 674 |
| G23 | 163 |
| G3 | 1,059 |
| G31 | 1,102 |
| G32 | 1,225 |
| G33 | 1,406 |
| G34 | 337 |
| G4 | 644 |
| G40 | 835 |
| G41 | 1,256 |
| G42 | 1,082 |
| G43 | 548 |
| G44 | 825 |
| G45 | 431 |
| G46 | 942 |
| G5 | 746 |
| G51 | 1,198 |
| G52 | 1,071 |
| G53 | 898 |
| G58 | 25 |
| G59 | 4 |
| G60 | 205 |
| G61 | 1,031 |
| G62 | 575 |
| G63 | 491 |
| G64 | 926 |
| G65 | 734 |
| G66 | 1,541 |
| G67 | 990 |
| G68 | 437 |
| G69 | 1,115 |
| G70 | 11 |
| G71 | 1,143 |
| G72 | 1,424 |
| G73 | 1,285 |
| G74 | 1,355 |
| G75 | 979 |
| G76 | 771 |
| G77 | 828 |
| G78 | 825 |
| G79 | 2 |
| G80 | 14 |
| G81 | 1,249 |
| G82 | 1,043 |
| G83 | 794 |
| G84 | 1,107 |
| G9 | 25 |
| G90 | 39 |