How to Send an SMS Broadcast

Send Out a Mass Text Message from Your Phone
1. Go to the 'Menu' and select 'Messages.' Scroll down the options and choose 'Distribution Lists.' Go to 'Options' and select 'Add List.' Assign a name for the new distribution list and press 'OK.'
2. Return to 'Options,' then 'View List' and highlight the new distribution list name you made. Select 'Options' again and then start adding contacts to the list by choosing 'Add Contact.' Redo this step until you have added all the recipient of your message. As long as you have not deleted it, this distribution list can be repetitively used in bulk SMS sending.
3. Create a new message. From the main menu, go to 'Messages.' Write the content of your message and select 'Sending Options,' go to 'Send to List' and choose the distribution list.
Send Out a Mass Text Message from a Computer
4. Purchase a bulk SMS program. Two that you can use are Data Doctor and Bulk SMS, both sell for $39.95 to $45 as of 2010. Download and install the software on your PC by following the installation guide on the screen.
5. Launch the newly installed software. In the 'Enter Recipient Phone Number' field, input a number of the person you wish to send the message to. Do this step until you have listed all of your intended recipients. 
6. Write your text message on the 'Type Message Here' section. You have the option to send the message all at once by selecting 'Single Shot Execution' or individually by using 'One by One Contact Process Mode.'