Who called from 2017935561

Caller ID said CITGO.

Called with a barely understandable foreign accented wanted to "fix" my computer.

They called back again about an hour later.

Same here. CITGO on the caller ID.

hangup call   called back no answer

called at 1230pm, left no message, caller id was (CITCO)

I do not answer unknown numbers-if a message is left I do return the call if appropriate-this number has called at least 10 times in the past few days-when I attempted to call back I got no answer for 10 rings then it went busy which led me to this search-thanks for confirming