All postcodes in S1 1
| Postcode | Place | Type |
|---|---|---|
| S1 1AA | Sheffield | large user |
| S1 1AD | Sheffield | street |
| S1 1AE | Sheffield | street |
| S1 1AU | Sheffield | large user |
| S1 1DA | Sheffield | large user |
| S1 1DJ | Sheffield | large user |
| S1 1DL | Sheffield | large user |
| S1 1EQ | Sheffield | large user |
| S1 1GE | Sheffield | large user |
| S1 1GN | Sheffield | street |
| S1 1GS | Sheffield | large user |
| S1 1HA | Sheffield | large user |
| S1 1HF | Sheffield | large user |
| S1 1HG | Sheffield | large user |
| S1 1HP | Sheffield | large user |
| S1 1LF | Sheffield | large user |
| S1 1LZ | Sheffield | large user |
| S1 1QF | Sheffield | large user |
| S1 1QT | Sheffield | large user |
| S1 1RQ | Sheffield | large user |
| S1 1UL | Sheffield | large user |
| S1 1UY | Sheffield | large user |
| S1 1WA | Sheffield | large user |
| S1 1WB | Sheffield | large user |
| S1 1WR | Sheffield | street |
| S1 1XH | Sheffield | large user |
| S1 1XL | Sheffield | large user |
| S1 1XN | Sheffield | large user |
| S1 1XZ | Sheffield | large user |
| S1 1YD | Sheffield | large user |
| S1 1YG | Sheffield | large user |
Places in sector S1 1
- Sheffield 31