This page provides postcode data for the Sefton, unparished area parish. Sefton, unparished area contains approximately 90,527 households with a population of about 207,848 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| PR9 9ZL | 53.627005 | -2.985821 | 334900 | 414949 | SD349149 | Yes |
| PR9 9ZN | 53.627005 | -2.985821 | 334900 | 414949 | SD349149 | No |
| PR9 9ZP | 53.627014 | -2.98576 | 334904 | 414950 | SD349149 | No |
| PR9 9ZQ | 53.627014 | -2.98576 | 334904 | 414950 | SD349149 | No |
| PR9 9ZR | 53.627014 | -2.98576 | 334904 | 414950 | SD349149 | No |
| PR9 9ZS | 53.676518 | -2.951855 | 337220 | 420427 | SD372204 | No |
| PR9 9ZT | 53.627014 | -2.98576 | 334904 | 414950 | SD349149 | No |
| PR9 9ZU | 53.627014 | -2.98576 | 334904 | 414950 | SD349149 | No |