The WA11 9 St Helens Postcode Sector
The WA11 9 postcode sector stands on the Greater Manchester and Merseyside border in the North West of England.
WA11 9 is a postcode sector within the WA11 postcode district which is within the WA Warrington postcode area.
The Royal Mail delivery office for the WA11 9 postal sector is the St Helens Delivery Office.
The area of the WA11 9 postcode sector is 2.74 square miles which is 7.10 square kilometres or 1,754.98 square acres.
The WA11 9 postcode sector is crossed by the M6 motorway.
Waterways within the WA11 9 postcode sector include the St Helens Canal.
The WA11 9 postcode sector is crossed by a railway.
Map of the WA11 9 Postcode Sector
Explore the wa11 9 postcode sector by using our free interactive map.