Tehran Zoroastrian Anjoman has joined SMS system, its no. to send the text messages is 100067290040.
detail in Persian:
http://hamazoor.com/persian/index.php?option=com_content&task=view&id=1204&Itemid=154
http://hamazoor.com/persian/index.php?option=com_content&task=view&id=1204&Itemid=154