Hello how may I help you? How can I help you manage your contact today? I like to add a second phone number to one of my contacts Okay which contact? Joe Smith Okay I see Joe Smith has 234-233-5555 already listed as a number, Are you sure you want to add a second number? Yes. okay. What number do you want to add 867-5309. This is going to be his work number okay I have added 867-5309 as Joe Smith's work number Thank you! Have a good day!