How to send email to a phone
SMS email on your phone! All you need to know is your cell phone's email address.
Most carriers have "SMS gateways" which take email messages from the Internet and deliver them to their customers' cell phones as SMS text messages.
Alltel
[10-digit phone number]@message.alltel.com
Example: 2125551212@message.alltel.com
AT&T (formerly Cingular)
[10-digit phone number]@txt.att.net
Example: 2125551212@txt.att.net
Boost Mobile
[10-digit phone number]@myboostmobile.com
Example: 2125551212@myboostmobile.com
Nextel (now part of Sprint Nextel)
[10-digit telephone number]@messaging.nextel.com
Example: 7035551234@messaging.nextel.com
Sprint PCS (now Sprint Nextel)
[10-digit phone number]@messaging.sprintpcs.com
Example: 2125551234@messaging.sprintpcs.com
T-Mobile
[10-digit phone number]@tmomail.net
Example: 4251234567@tmomail.net
Verizon
[10-digit phone number]@vtext.com
Example: 5552223333@vtext.com
Virgin Mobile USA
[10-digit phone number]@vmobl.com
Example: 5551234567@vmobl.com
I UK you can send texts to home phones. BT calls you and a computer reads it out quite well:
http://www.fixedtext.com/.