怎样用英语礼貌地问人留下联系方式？

May I have your telephone number?

I wonder whether I have the honor to have your telephone number~~

是问姑娘吗？
May I have the pleasure to know your phone for further contact ?

How can I contact you later? Would you mind give me your contacting mothed?

全是高手
俺就不表现咯

Could you mind telling me your telephone number?

May I know your phone number?