How to Send an Anonymous SMS Online

1. Find a website that will allow you to send an anonymous SMS. Several that you can use include Text4Free.net, SendSMSNow, or OnlineTextMessage. These are free services as of 2010, and you do not need to register or leave a return phone number or email address. Your text message will be anonymous.
2. Go to the site and type in the phone number of where the anonymous text is to be sent. Select the cell phone service provider from the drop-down box.
3. Write your message in the box provided. You can use up to 140 character. Then type in the captcha code, if needed. This is the box with the random numbers or letters that appear at the bottom of the screen. This prevents people from using automated programs to send to spam. Click the 'Send' button to send your message.