All postcodes in SN1 1
| Postcode | Place | Type |
|---|---|---|
| SN1 1PJ | Swindon | large user |
| SN1 1PN | Swindon | street |
| SN1 1PP | Swindon | large user |
| SN1 1PR | Swindon | street |
| SN1 1PX | Swindon | street |
| SN1 1PZ | Swindon | street |
| SN1 1QB | Swindon | large user |
| SN1 1QF | Swindon | large user |
| SN1 1QG | Swindon | street |
| SN1 1QN | Swindon | street |
| SN1 1QP | Swindon | street |
| SN1 1QS | Swindon | street |
| SN1 1QT | Swindon | street |
| SN1 1QU | Swindon | street |
| SN1 1RA | Swindon | street |
| SN1 1RE | Swindon | street |
| SN1 1RL | Swindon | street |
| SN1 1RN | Swindon | street |
| SN1 1RQ | Swindon | street |
| SN1 1RT | Swindon | street |
| SN1 1RU | Swindon | street |
| SN1 1RZ | Swindon | street |
| SN1 1SD | Swindon | street |
| SN1 1SG | Swindon | street |
| SN1 1SQ | Swindon | street |
| SN1 1TN | Swindon | large user |
| SN1 1TU | Swindon | street |
| SN1 1UQ | Swindon | large user |
| SN1 1YN | Swindon | large user |
| SN1 1ZA | Swindon | large user |
| SN1 1ZQ | Swindon | large user |
Places in sector SN1 1
- Swindon 91