Delsea Insurance Agency is located at 29 Delsea Drive South Glassboro, NJ 08028. Call Us 856-881-6930. Insurance Agency, Home Insurance, Personal Insurance, Auto Insurance, Business Insurance. Delsea Insurance - Delsea has been taking care of the insurance needs of South Jersey residents for over 60 years. Founded in 1949, our family owned and operated agency can assist you with auto insurance, homeowners and commercial insurance needs. As an independent insurance brokers, we represent several underwriters to have the flexibility to offer products that are best suited for your specific needs. Business Hours: Monday to Friday 9:00 am – 5:00 pm, Saturday and Sunday Closed.