Getting approval when registering for amazon affiliate program can be as tough as hell most especially when it gets to phone verification section.
Here I will show you how I was able to pass the verification process with the help of an app called textplus. Textplus is an android mobile app that offers free USA number immediately you sign up. Let get started

REQUIREMENT:

Android Device
A computer
Textplus App and a good Network

Visit the android Play store on your phone to download your textplus app to acquire your USA mobile for free. Now visit the Amazon affiliate sign up page submit the required credentials and proceed to the phone verification page.

Clicks here to see image and complete tutorial