How to erase my stolen iPhone

You can use any internet browser and log into www.icloud.com/find

More options and information in If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

Hello, 

• please follow this guide to help resolve your issue. (If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support)

Drake 

According to: If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

"If you lose your iPhone, iPad, or iPod touch or think it might be stolen, these steps might help you find it and protect your information."