Collins postcode atlas : Great Britain and Northern Ireland.
Great Britain.Royal Mail.
London : HarperCollins,
2004.
Relief shown by shading and spot heights.
"Covering Britain at 4.1 miles to 1 inch and northern Ireland at 8.3 miles to 1 inch"--cover verso.
Includes indexes.
"Postcode boundaries and codes copyright Royal Mail"--T.p.
Zip code
Zip code