When to use phone number in Korean
Korean: 전화번호[ jeon-hwa-beon-ho ]

When to use it
A phone number is the number you use to call someone on a phone. In Korean, 전화번호 means the number for a person, home, school, or store. You can say, write, or ask for a phone number when you want to contact someone.
Example sentences
제 전화번호는 010-1234-5678이에요.
My phone number is 010-1234-5678.
엄마 전화번호를 알아요?
Do you know Mom's phone number?
학교 신청서에 전화번호를 써요.
I write my phone number on the school form.
길을 잃으면 이 전화번호로 전화하세요.
If you get lost, call this phone number.
가게에서 배달하려고 전화번호를 물어봐요.
The store asks for my phone number for delivery.
새 친구와 전화번호를 주고받았어요.
I exchanged phone numbers with a new friend.