Below is a list of several social impact service programs in the United States, typically targeting college seniors and/or very recent graduates.  

Asian Pacific American Institute for Congressional Studies Fellowship (Washington, DC)

City Hall Fellows (San Francisco) 

Coro Fellows (Los Angeles, New York, Pittsburgh, San Francisco, St. Louis) 

Emerson National Hunger Fellows Program  (community-based organizations across the country as well as policy-focused organizations in Washington, D.C) 

FAO Schwarz Fellowships (direct service and special projects in Boston, NYC, and Philadelphia)

The Greenlining Institute (San Francisco) 

International Leadership Foundation Civic Fellowship for Asian American and Pacific Islander students/alumni (Washington, DC)

New Sector Alliance Summer Fellowship  

New York City Urban Fellows Program 

PHENND Fellows (Philadelphia) 

PULSE (Pittsburgh)  

Venture for America (in many cities across the country)