Postal sector S1 1
- Pond Street, Sheffield, S1 1AA
- Queen Street, Sheffield, S1 1AD
- Queen Street, Sheffield, S1 1AE
- Norfolk Street, Sheffield, S1 1DA
- Arundel Street, Sheffield, S1 1DJ
- Arundel Gate, Sheffield, S1 1DL
- Barkers Pool, Sheffield, S1 1EQ
- Queen Street, Sheffield, S1 1GN
- Church Street, Sheffield, S1 1HA
- Church Street, Sheffield, S1 1HG
- Fargate, Sheffield, S1 1LF
- Barkers Pool, Sheffield, S1 1LZ
- High Street, Sheffield, S1 1QF
- Pinstone Street, Sheffield, S1 1UL
- Sheffield, S1 1UY
- Howard Street, Sheffield, S1 1WB
- Queen Street, Sheffield, S1 1WR
- St. James Street, Sheffield, S1 1XN
- Surrey Street, Sheffield, S1 1XZ
- Townhead Street, Sheffield, S1 1YG