From Stamps of the World
Redcar is a seaside resort and town in the Tees Valley in North Yorkshire, England. The local council, a unitary authority, is Redcar and Cleveland. Historically part of the North Riding of Yorkshire, it lies 7.5 miles (12.1 km) east-north-east of Middlesbrough by the North Sea coast. The combined population of the wards of Coatham, Dormanstown, Kirkleatham, Newcomen, West Dyke and Zetland was 36,610 in the 2001 census decreasing to 35,692 in the 2011 census.
Redcar was issued with the 004 in the Post Office lists.