This person called me once and I declined it and them it called me again. I have no idea who it is or how they got my number.

Got a call from this number too. Not sure how they got my number

I got a call on my cell from this number today.. I called it back and its an employment agency in MN

Received a call, nothing. 5-10 seconds of "hello?" then a small beep and an automated "Goodbye"

Received a call on my cell phone from this number. Showed Gaylord, MN on the caller id. Rang 3x's then hung up before voice mail picked up.