Coffee-Mate Creamer buy one get one free coupon.
Use this link to send yourself or friends an email with the offer:
Can be done 2 times per phone number. Enter your number for a text code to put in on the site. Print one, go to link from your emailed offer again to repeat. Make sure your two coupon codes are unique.
Note: Google Voice number was not accepted for me.
Printed through Coupons.com, so appropriate software (coupon printer) needs installed. Can be removed after used.
I cannot state whether additional (valid) phone numbers will generate more unique codes by using link from same IP address and/or PC.