How to write to leave a phone number at the door when going out?

Advertising slogan for temporary outings:

1. If you are out of town temporarily, please call 1234567.

Second, if there is an emergency, please call the contact information.

3. If you are temporarily out of town, please leave your contact information if anything happens.

Fourth, I have something to do at home and go out temporarily.

5. If you are out to contact business, please use your mobile phone.

Sixth, due to temporary outing, please wait a moment if you have anything.

Seven, I'll be right back, please wait.

Eight, I'm sorry for going out temporarily. I'll be back in ten minutes.