Who called from 6232390027

Received the call. Whoever left no voice message.
Considering the lack of information online about this phone number, it could be a robocall to test phone numbers.

Answered the call and no response on other end after a few seconds the caller hung up.

No message and I didn't answer.

Called 2 days in a row after 6pm. Left no message.

2 calls in 3 days - left no voice mail message and is a number I am totally unfamiliar with. Spammer or Robocall