You should call the Department of Public works at 415-388-4033 to report a problem with streetlights. When reporting streetlight problems you will be asked for the location of the pole and a pole number. The numbers are typically three digits long followed by a letter. You will also be asked for the type of problem with the light. The three main problems with streetlights are being burned out, staying on during the day, and blinking on and off which is called cycling.