Trying to find out who calls from this number.

Called my cell. Ignored and blocked. ID says Gambrills, MD. I believe I have seen this name before. Scammers for sure.

Didn't leave a message.

Keep getting calls from this number

Lots of crap calls from Gambrills Md...These guys have many numbers.  Don't waste your time reporting DNC violations to FTC.. they will do nothing.  Best solution is a good, versatile call blocker.  Blocking individual numbers or exchanges within 240 area  probably won't help much because they.also vary exchanges within 240 ..blocking the 240 area code itself may help somewhat .