Alderman Rey Colón's 35th Ward Community Service Center is located at 2710 N. Sawyer Ave. To submit a Service Request, you are encouraged to Call: 773-365-3535, Email: ward35@cityofchicago.org or visit the Community Service Center. The hours are: Monday, 10 a.m. to 8:30 p.m.; Tuesday thru Friday, 9 a.m. to 5:30 p.m.