All postcodes in E20 3
| Postcode | Place | Type |
|---|---|---|
| E20 3AB | London | street |
| E20 3AD | London | street |
| E20 3AE | — | street |
| E20 3AF | — | street |
| E20 3AG | Hackney | street |
| E20 3AH | Hackney | street |
| E20 3AJ | Hackney | street |
| E20 3AL | Hackney | street |
| E20 3AN | Hackney | street |
| E20 3AP | Hackney | street |
| E20 3AQ | Hackney | street |
| E20 3AR | Hackney | street |
| E20 3AS | Hackney | street |
| E20 3AT | Hackney | street |
| E20 3AU | Hackney | street |
| E20 3AW | Hackney | street |
| E20 3AX | Hackney | street |
| E20 3AY | Hackney | street |
| E20 3AZ | Hackney | street |
| E20 3BA | Hackney | street |
| E20 3BD | Hackney | street |
| E20 3BE | — | street |
| E20 3BF | — | street |
| E20 3BG | Hackney | street |
| E20 3BS | Hackney | street |