RH3 is a postcode district within the Betchworth post town.

The full list of postcode districts within the Betchworth post town is as follows:

The Betchworth post town is within the Redhill postcode area.

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

Villages within the RH3 postcode district:

A map of the RH3 postcode district