The B postcode area, also known as the Birmingham postcode area, is a group of 79 postcode districts in central England, within 15 post towns. These cover the central portion of the West Midlands, plus northeast Worcestershire, north and west Warwickshire, and part of southeast Staffordshire and a very small part of Leicestershire. It is the most populated postcode area in the United Kingdom, with a population of over 1.9 million.
Street name signs on Birdbrook Road, Great Barr, Birmingham, showing old "Birmingham 22" (top) and modern "B44" postcodes.
16th-century Whitefriars, now Grade II listed, was one of the few older buildings to survive the 1960s redevelopment.