WA11 in 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

All 30
L34 2
L35 5
WA10 7
WA11 4
WA12 4
WA8 1
WA9 5
WN4 1
WN5 1

WA11 guides

4 sectors

WA11 0Near Blackbrook
WA11 7Near St Helens
WA11 8Near Rainford
WA11 9Near Blackbrook

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.