This is a list of postcodes in the CB10 4 area covering the areas of Ashdon, Church End, Great Chesterford, Great Sampford, Hempstead, Hinxton, Howlett End, Ickleton, Little Chesterford, Little Sampford, Little Walden, Radwinter, Red Oaks Hill, Saffron Walden, Sewards End, Wimbish, Wimbish Green, Uttlesford.