SN1 4
SN1 postcode district
Updated September 2026
Sector overview
- Postcode units
- 244
- Coordinate coverage
- 100%
Part of the SN1 postcode district.
Postcode units
201–244 of 244 units
- SN1 4RD
- SN1 4RE
- SN1 4RX
- SN1 4RY
- SN1 4RZ
- SN1 4SA
- SN1 4SB
- SN1 4SD
- SN1 4SE
- SN1 4SS
- SN1 4ST
- SN1 4SU
- SN1 4SX
- SN1 4SZ
- SN1 4TA
- SN1 4TB
- SN1 4TG
- SN1 4TH
- SN1 4TJ
- SN1 4TL
- SN1 4TN
- SN1 4TP
- SN1 4TQ
- SN1 4TR
- SN1 4TW
- SN1 4WA
- SN1 4WB
- SN1 4WD
- SN1 4WE
- SN1 4WF
- SN1 4WG
- SN1 4WH
- SN1 4WX
- SN1 4WZ
- SN1 4XB
- SN1 4XD
- SN1 4XJ
- SN1 4XN
- SN1 4XY
- SN1 4ZJ
- SN1 4ZN
- SN1 4ZQ
- SN1 4ZW
- SN1 4ZX