Anyone in any state and district can find and contact the appropriate Congressional Rep by visiting the House website. It helps to know your full zip (with the extra 4 digits).
Here are the US Representatives for the LWVDDH coverage area:
11th District - Thaddeus McCotter (R)
14th District -John Conyers (D)
www.house.gov/conyers; email through website
15th District - John D. Dingell (D)