TW18 is a postcode district within the Staines-upon-Thames post town.

The full list of postcode districts within the Staines-upon-Thames post town is as follows:

The Staines-upon-Thames post town is within the Twickenham postcode area.


The full list of post towns with the Twickenham postcode area is as follows:

Villages within the TW18 postcode district:

A map of the TW18 postcode district