James's ward in Westminster. Map See also Postcode Address File List of postcode areas in the United Kingdom London postal district References External links Royal Mail's Postcode Address File A quick introduction to Royal Mail's Postcode Address File (PAF) Postcode areas covering London Media and communications in the City of London Media and communications in the London Borough of Hackney Media and communications in the London Borough of Camden Media and communications in the London Borough of Islington Media and communications in the London Borough of Tower Hamlets