완전 잘못 걸었어.

A: I saw that you called me in the wee hours. All OK?
B: Yes. Sorry about that. 전화를 잘못 건 거야.
A: I see. I was out cold at the time. I noticed later.
B: I was actually trying to order some late-night chicken.

A: 한밤중에 나한테 전화 걸었더라. 별일 없어?
B: 응, 미안해. It was a total misdial.
A: 그렇구나. 그 시간에 난 완전 곯아떨어졌었어. 전화 온 건 나중에 알았지.
B: 실은 야식으로 치킨이나 시킬까 한 거야.

[Additional expressions]
*I saw that you called me in the wee hours.
– My phone showed that you called me very late at night.
*All OK?
– Is there some kind of problem? / Are you OK? / Did you have an emergency?
*Sorry about that.
– Forgive me. / My mistake. / I apologize for that.
*It was a total misdial.
– I totally dialed the wrong number. / I messed up and called your number by mistake.
*I see.
– I understand. / Ah, OK. / Now I get it.
*I was out cold at the time.
– I was sleeping very soundly at that time. / At that time, I was sleeping deeply.
*I noticed later.
– I saw the note of an incoming call later. / I realized after I woke up.
*I was actually trying to order some late-night chicken.
– I was calling a chicken delivery place.