Sefton
91 postcode sectors mapped mainly to Sefton. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
91 sectors
- L10 2Near Sefton
- L10 3Near Sefton
- L10 6Near Sefton
- L10 8Near Sefton
- L20 0Near Sefton
- L20 3Near Sefton
- L20 4Near Sefton
- L20 5Near Sefton
- L20 6Near Sefton
- L20 7Near Sefton
- L20 9Near Sefton
- L21 0Near Thornton
- L21 1Near Sefton
- L21 2Near Sefton
- L21 3Near Sefton
- L21 4Near Sefton
- L21 5Near Sefton
- L21 6Near Sefton
- L21 7Near Sefton
- L21 8Near Sefton
- L21 9Near Sefton
- L22 0Near Sefton
- L22 1Near Sefton
- L22 2Near Sefton
- L22 3Near Sefton
- L22 4Near Sefton
- L22 5Near Sefton
- L22 7Near Sefton
- L22 9Near Sefton
- L23 0Near Sefton
- L23 1Near Thornton
- L23 2Near Sefton
- L23 3Near Sefton
- L23 4Near Thornton
- L23 5Near Sefton
- L23 7Near Sefton
- L23 9Near Thornton
- L29 1Near Sefton
- L29 3Near Ince Blundell
- L29 5Near Thornton
- L29 6Near Sefton
- L29 7Near Sefton
- L29 8Near Thornton
- L29 9Near Sefton
- L30 0Near Sefton
- L30 1Near Sefton
- L30 2Near Sefton
- L30 3Near Sefton
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.