All postcodes in HP22 0
| Postcode | Place | Type |
|---|---|---|
| HP22 0AA | Aston Clinton | street |
| HP22 0AB | Aston Clinton | street |
| HP22 0AD | Aston Clinton | street |
| HP22 0AE | Aston Clinton | street |
| HP22 0AF | Aston Clinton | street |
| HP22 0AG | Aston Clinton | street |
| HP22 0AH | Aston Clinton | street |
| HP22 0AJ | Aston Clinton | street |
| HP22 0AL | Aston Clinton | street |
| HP22 0AN | Aston Clinton | street |
| HP22 0AP | Aston Clinton | street |
| HP22 0AQ | Aston Clinton | street |
| HP22 0AR | Aston Clinton | street |
| HP22 0AS | Aston Clinton | street |
| HP22 0AT | Aston Clinton | street |
| HP22 0AU | Aston Clinton | street |
| HP22 0AW | Aston Clinton | street |
| HP22 0AX | Aston Clinton | street |
| HP22 0AY | — | street |