All postcodes in S99 1
| Postcode | Place | Type |
|---|---|---|
| S99 1AA | — | large user |
| S99 1AB | Sheffield | large user |
| S99 1AD | Sheffield | large user |
| S99 1AG | Sheffield | large user |
| S99 1AH | Sheffield | large user |
| S99 1AJ | Sheffield | large user |
| S99 1AL | Sheffield | large user |
| S99 1AN | Sheffield | large user |
| S99 1AP | Sheffield | large user |
| S99 1AQ | Sheffield | large user |
| S99 1AR | Sheffield | large user |
| S99 1AS | Sheffield | large user |
| S99 1AT | Sheffield | large user |
| S99 1AU | Sheffield | large user |
| S99 1AW | Sheffield | large user |
| S99 1AX | Sheffield | large user |
| S99 1AY | Sheffield | large user |
| S99 1AZ | Sheffield | large user |
| S99 1BA | Sheffield | large user |
| S99 1BB | — | large user |
| S99 1BD | — | large user |
| S99 1BE | Sheffield | large user |
| S99 1BF | — | large user |
Places in sector S99 1
- Sheffield 19