Who called from 6782509091

Called, I didn't answer, no message.

Multiple calls, no message left.  Can't find anything out about this number.  Another added to the reject list.

Has called my cell phone repeatedly, about once a day for a week now. If I answer, there is nobody on the line. If I don't answer, no voicemail is left.

Calling to sell extended warranty on my vehicle.

Called.  Didn't answer and they didn't leave a message.