To add in mobile number, please follow steps below:

1. Log into Usonyx Billing System using following URL (

2. You have to enter your email address which is as listed in Usonyx Billing System and your password. If you lost your password, please refer "Retrieving Your Password for Usonyx Billing System".

3. Click on "Edit Account Detail" under your name. 

4. Scroll down and fill in your mobile number and click "Save Changes".

5. Do let us know how did you  from the drop-down list provided.


Your email address will be used as your login ID to access Usonyx Billing System and must be unique. In another word, if you have 2 or more billing account with Usonyx, you have to use different email address as login id for different billing account.