An essential business tool, this atlas covering all of Britain and Northern Ireland clearly shows the postcode boundaries (down to district level) for the whole country on detailed color mapping, updated with all the boundary changes. In central London postcodes are shown to the sector level. The main maps have a scale of 4.15 miles to 1 inch, while busy conurbation areas are shown at an enlarged scale of 1.6 miles to 1 inch. Other features include information on the structure and uses of postcodes; gazetteer listing and a full color map of the administrative areas, incorporating April 2009 changes; a full index to place names; an index to postcode abbreviations; and a comprehensive background map detail which means the atlas can also be used for route planning and navigation. This atlas is aimed at the business user who will find it an invaluable tool for many applications including market analysis, distribution planning, and sales territory organization.