01/

Nonprofit organization that matches you to volunteer opportunities around the area you live

https://www.volunteermatch.org/ 

02/

Opportunities to serve with national organizations

https://www.nationalservice.gov/serve

03/

List of great ideas for local service projects that could be applied in almost any part of the country

https://blog.prepscholar.com/129-examples-of-community-service-projects 

04/

Volunteer.gov connects your classroom with opportunities to volunteer with federal agencies

https://www.volunteer.gov/