St. Helens
30 postcode sectors mapped mainly to St. Helens. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
30 sectors
- L34 2Near St Helens
- L34 6Near St Helens
- L35 0Near St Helens
- L35 4Near St Helens
- L35 6Near St Helens
- L35 8Near St Helens
- L35 9Near St Helens
- WA10 1Near St Helens
- WA10 2Near St Helens
- WA10 3Near St Helens
- WA10 4Near St Helens
- WA10 5Near St Helens
- WA10 6Near St Helens
- WA10 9Near St Helens
- WA11 0Near Blackbrook
- WA11 7Near St Helens
- WA11 8Near Rainford
- WA11 9Near Blackbrook
- WA12 0Near Haydock
- WA12 2Near Newton-le-Willows
- WA12 8Near Newton-le-Willows
- WA12 9Near Haydock
- WA8 3Near St Helens
- WA9 1Near St Helens
- WA9 2Near Earlestown
- WA9 3Near St Helens
- WA9 4Near Bold Heath
- WA9 5Near St Helens
- WN4 0Near St Helens
- WN5 7Near St Helens
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.