CH31
UK postcode district
Updated September 2026
District overview
- Postcode units
- 116
- Current units
- 7
- Coordinate coverage
- 100%
- Electoral wards
- 1
Coverage context
- Countries represented
- England
- English regions represented
- North West
- Local authority codes
- 1
- Terminated postcode units
- 109
Postcode sectors in CH31
Choose a sector to browse its complete postcode-unit directory.