Delaware Dept. of Labor – Wilmington Office Delaware Dept. of Labor – Wilmington Office CategoryEmployment TagsJob PrepJob TrainingJobs State office with multiple resources for job preparation, job training and employment openings. Locations New Castle County 4425 N Market St, Wilmington, DE 19802 See on the Map Contact Info 302-761-8446 https://labor.delaware.gov/ admin2021-10-20T14:52:49-04:00