You can give regular practice of phone numbers, numbers in general and email addresses in dictation activities: either with you dictating or with the students working pairs.
Teacher dictation: dictate six phone numbers email addresses, writing them down yourself so that you have a means of checking. Students write the numbers or addresses as you say them, and then write them on the board to check
Pairs dictation: students prepare a list of phone numbers/email addresses to dictate to their partner and then exchange lists to check