Regional statistics: Detroit, Michigan has a population of 884941 that is in a county of 768440 units. The city is in a county that is 614 square miles. 248-239 is available through the regional telephone switch # SFLDMIDODS0 in the Detroit area.
Missed a call from this number, it is a landline phone. I called back and the message said that this was a survey call and the survey has closed. Then it gave me the option to have my phone number removed from future calls got surveys.