Currently Being ModeratedNov 13, 2012 2:58 PM (in response to georgia_pappy)
You can do an SMS Text Message to all phones if they accept text messages. You can ONLY use the iMessage on your iPhone to send to other iPhones.
To send an SMS Text Message: Tap the Phone button on the bottom left corner of the iPhone. Tap the center Contacts at the bottom center of the new window on the iPhone. Select the person you want to send the text to. Scroll down to the bottom of that person's contact page, and click the box Send Message. Select the phone number you want to send the message to (its probably listed as 'mobile', type your message click send.