Why do Cingular phones say the messages come from 36245?
36245 is the number of Cingular's mail gateway (the corresponding letters on the keypad spell "email"), and is automatically displayed by Cingular. Cingular users can usually reply to these text messages if they set up their phone correctly. If you receive a message that says it is from 36245, that does not necessarily mean the message was sent through our service. Cingular displays 36245 for all messages sent through their gateway, regardless of which service is used to send the message.
http://www.callwave.com/sms/mainfaq.asp
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