Tilbury | Thurrock |- ! RM19 | PURFLEET | Purfleet | Thurrock |- ! RM20 | GRAYS | West Thurrock, South Stifford, Lakeside Shopping Centre | Thurrock |} Map See also Postcode Address File List of postcode areas in the United Kingdom References External links Royal Mail's Postcode Address File A quick introduction to Royal Mail's Postcode Address File (PAF) Postcode areas covering London Postcode areas covering the East of England Media and communications in the London Borough of Havering Media and communications in the London Borough of Barking and Dagenham Thurrock Epping Forest District