你的电话号码是多少？
What's your phone number?

我得把电话号码记下来，以免待会儿忘记。
I'll just jot down their phone number before I forget it.

他翻阅地址簿，寻找号码。
He thumbed through the address book looking for the number.

让我记下你的地址和电话号码。
Let me note down your address and telephone number.

你能告诉我你的电话号码吗？
Would you tell me your phone number?

把电话号码写下来以免忘了。
Write the telephone number down in case you forget.

我用电话旁的一根铅笔记下了他的电话号码。
I noted down his telephone number with a pencil near the telephone.

你拨错电话号码了。
You've dialed the wrong number.