SE
29 districts, 20,963 postcodes
Southwark, Greenwich, Lewisham, Lambeth, Croydon, Bromley, and others
| District | Postcodes | Local authority |
|---|---|---|
| SE1 | 2,008 | Southwark |
| SE10 | 842 | Greenwich |
| SE11 | 496 | Lambeth |
| SE12 | 515 | Lewisham |
| SE13 | 737 | Lewisham |
| SE14 | 419 | Lewisham |
| SE15 | 1,197 | Southwark |
| SE16 | 1,108 | Southwark |
| SE17 | 682 | Southwark |
| SE18 | 1,455 | Greenwich |
| SE19 | 600 | Croydon |
| SE1P | 930 | Southwark |
| SE2 | 462 | Greenwich |
| SE20 | 485 | Bromley |
| SE21 | 295 | Southwark |
| SE22 | 508 | Southwark |
| SE23 | 629 | Lewisham |
| SE24 | 294 | Lambeth |
| SE25 | 636 | Croydon |
| SE26 | 628 | Lewisham |
| SE27 | 379 | Lambeth |
| SE28 | 436 | Greenwich |
| SE3 | 792 | Greenwich |
| SE4 | 463 | Lewisham |
| SE5 | 884 | Southwark |
| SE6 | 865 | Lewisham |
| SE7 | 428 | Greenwich |
| SE8 | 580 | Lewisham |
| SE9 | 1,210 | Greenwich |