You can add the addresses to the contact book manually one by one or import the address list to the app. To know more about importing the addresses, click here

To add the addresses manually one by one, follow the steps below:

Open the Upper Inc. - Route Planner App
Click on the icon
Then click on the plus sign
Then select the address from the map or your current location
Enter the optional fields like Full Name, Company Name, Email Address, Phone Number, and any notes with regards to the address
To add to favorites, simply click the star icon before hitting the save
Click Save

Repeat this process for each address you want to enter one by one.