ok heres a larger list
Aliant (NBTel, MTT, NewTel, and Island Tel) (from: 11, msg: 140, total: 140)
Enter your phone number. Message is sent to number@chat.wirefree.ca
Alltel (from: 50, msg: 116, total: 116)
Enter your phone number. Goes to number@message.alltel.com.
Ameritech (ACSWireless) (from: 120, msg: 120, total: 120)
Enter your phone number. Goes to number@paging.acswireless.com
Arch Wireless (from: 15, msg: 240, total: 240)
Enter your phone number. Sent via http://www.arch.com/message/ (assumes blank PIN)
AU by KDDI (from: 20, msg: 10000, total: 10000)
Enter your phone number. Goes to username@ezweb.ne.jp
BeeLine GSM (from: 50, msg: 255, total: 255)
Enter your phone number. Goes to number@sms.beemail.ru
Bell Mobility Canada (from: 20, msg: 120, total: 120)
Enter your phone number, including the 1 prefix. Goes to number@txt.bellmobility.ca
Bellsouth (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@bellsouth.cl
BellSouth Mobility (from: 15, msg: 160, total: 160)
Enter your phone number. Goes to number@blsdcs.net
Blue Sky Frog (from: 30, msg: 120, total: 120)
Enter your phone number. Goes to number@blueskyfrog.com
Boost (from: 30, msg: 120, total: 120)
Enter your phone number. Goes to number@myboostmobile.com
Cellular South (from: 50, msg: 155, total: 155)
Enter your phone number. Messages are sent to number@csouth1.com
CellularOne (Dobson) (from: 20, msg: 120, total: 120)
Enter your phone number. Goes to number@mobile.celloneusa.com
CellularOne West (from: 20, msg: 120, total: 120)
Enter your phone number. Goes to number@mycellone.com
Centennial Wireless (from: 10, msg: 110, total: 110)
Enter your phone number. Sent via http://www.centennialwireless.com
Cincinnati Bell (from: 20, msg: 50, total: 50)
Enter your phone number. Goes to number@gocbw.com
Cingular (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@mobile.mycingular.com
Cingular Blue (formerly AT&T Wireless) (from: 50, msg: 150, total: 150)
Enter your phone number. Goes to number@mmode.com
Cingular IM Plus/Bellsouth IPS (from: 100, msg: 16000, total: 16000)
Enter 8 digit PIN or user name. Goes to @imcingular.com
Cingular IM Plus/Bellsouth IPS Cellphones (from: 100, msg: 16000, total: 16000)
Enter phone number. Goes to @mobile.mycingular.com
Claro (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@clarotorpedo.com.br
Comviq (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@sms.comviq.se
Dutchtone/Orange-NL (from: 15, msg: 150, total: 150)
Enter your phone number. Messages are sent to number@sms.orange.nl
Edge Wireless (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@sms.edgewireless.com
EinsteinPCS / Airadigm Communications (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@einsteinsms.com
EPlus (from: 20, msg: 480, total: 480)
Enter your phone number. Goes to number@smsmail.eplus.de.
Estonia Mobile Telefon (from: 20, msg: 160, total: 160)
Enter your phone number. Sent via webform.
Fido Canada (from: 15, msg: 140, total: 140)
Enter your phone number. Goes to number@fido.ca.
Golden Telecom (from: 20, msg: 160, total: 160)
Enter your phone number or nickname. Messages are sent to number@sms.goldentele.com
Idea Cellular (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@ideacellular.net
Kyivstar (from: 30, msg: 160, total: 160)
Sent by addressing the message to number@sms.kyivstar.net
LMT (from: 30, msg: 120, total: 120)
Enter your username. Goes to username@sms.lmt.lv
Manitoba Telecom Systems (from: 20, msg: 120, total: 120)
10-digit phone number. Goes to @text.mtsmobility.com
Meteor (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@sms.mymeteor.ie
Metro PCS (from: 20, msg: 120, total: 120)
10-digit phone number. Goes to number@mymetropcs.com
Metrocall Pager (from: 120, msg: 120, total: 120)
10-digit phone number. Goes to number@page.metrocall.com
MobileOne (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@m1.com.sg
Mobilfone (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@page.mobilfone.com
Mobility Bermuda (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@ml.bm
MTS Primtel (from: 20, msg: 160, total: 160)
Enter your phone number. Sent via web gateway.
Aliant (NBTel, MTT, NewTel, and Island Tel) (from: 11, msg: 140, total: 140)
Enter your phone number. Message is sent to number@chat.wirefree.ca
Netcom (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@sms.netcom.no
Nextel (from: 50, msg: 126, total: 126)
10-digit phone number. Goes to 10digits@messaging.nextel.com. Note: do not use dashes in your phone number.
NPI Wireless (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to number@npiwireless.com.
NTC (from: 20, msg: 160, total: 160)
Enter your phone number. Sent via web gateway.
O2 (formerly BTCellnet) (from: 20, msg: 120, total: 120)
Enter O2 username - must be enabled first at http://www.o2.co.uk. Goes to username@o2.co.uk.
O2 M-mail (formerly BTCellnet) (from: 20, msg: 120, total: 120)
Enter phone number, omitting initial zero - must be enabled first by sending an SMS saying "ON" to phone number "212". Goes to +44[number]@mmail.co.uk.
Optus (from: 20, msg: 114, total: 114)
Enter your phone number. Goes to @optusmobile.com.au
Orange (UK) (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to @orange.net. You will need to create a user account at orange.net first.
Oskar (from: 20, msg: 320, total: 320)
Enter your phone number. Goes to @mujoskar.cz
Other (from: 15, msg: 100, total: 100)
If your provider isn't supported directly, enter the email address that sends you a text message in phone number field. To be safe, the entire message is sent in the body of the message, and the length limit is really short. We'd prefer you give us information about your provider so we can support it directly.
Pacific Bell Cingular (from: 20, msg: 120, total: 120)
10-digit phone number. Goes to @mobile.mycingular.com
Pagenet (from: 20, msg: 220, total: 240)
10-digit phone number (or gateway and pager number separated by a period). Goes to number@pagenet.net.
PCS Rogers (from: 20, msg: 125, total: 125)
10-digit phone number. Goes to number@pcs.rogers.com. Requires prior registration with PCS Rogers.
Personal Communication (Sonet) (from: 20, msg: 150, total: 150)
Enter your phone number. Goes to sms@pcom.ru with your number in the subject line.
Plus GSM Poland (from: 20, msg: 620, total: 620)
10-digit phone number. Goes to number@text.plusgsm.pl.
Powertel (from: 20, msg: 120, total: 120)
10-digit phone number. Goes to number@ptel.net
Primtel (from: 20, msg: 150, total: 150)
Enter your phone number. Goes to number@sms.primtel.ru
PSC Wireless (from: 20, msg: 150, total: 150)
Enter your phone number. Goes to number@sms.pscel.com
Qualcomm (from: 20, msg: 120, total: 120)
Enter your username. Goes to username@pager.qualcomm.com
Qwest (from: 14, msg: 100, total: 100)
10-digit phone number. Goes to @qwestmp.com
Safaricom (from: 15, msg: 160, total: 160)
Goes to @safaricomsms.com
Satelindo GSM (from: 15, msg: 160, total: 160)
Goes to @satelindogsm.com
SCS-900 (from: 15, msg: 160, total: 160)
Goes to @scs-900.ru
Simple Freedom (from: 15, msg: 160, total: 160)
Goes to @text.simplefreedom.net
Skytel - Alphanumeric (from: 15, msg: 240, total: 240)
Enter your 7-digit pin number as your number and your message will be mailed to pin@skytel.com
Smart Telecom (from: 15, msg: 160, total: 160)
Enter your phone number. Goes to @mysmart.mymobile.ph
Smarts GSM (from: 11, msg: 70, total: 70)
Enter your phone number. Sent via http://www.samara-gsm.ru/scripts/smsgate.exe
Southern Linc (from: 15, msg: 160, total: 160)
Enter your 10-digit phone number. Goes to @page.southernlinc.com
Sprint PCS (from: 15, msg: 160, total: 160)
Enter your 10-digit phone number. Goes to @messaging.sprintpcs.com
Sprint PCS - Short Mail (from: 15, msg: 1000, total: 1000)
Enter your phone number. Goes to @sprintpcs.com
SunCom (from: 18, msg: 110, total: 110)
Enter your number. Email will be sent to number@tms.suncom.com.
SureWest Communications (from: 20, msg: 200, total: 200)
Enter your phone number. Message will be sent to number@mobile.surewest.com
SwissCom Mobile (from: 20, msg: 10000, total: 10000)
Enter your phone number. Message will be sent to number@bluewin.ch
T-Mobile Germany (from: 15, msg: 160, total: 160)
Enter your number. Email will be sent to number@T-D1-SMS.de
T-Mobile Netherlands (from: 15, msg: 160, total: 160)
Send "EMAIL ON" to 555 from your phone, then enter your number starting with 316. Email will be sent to number@gin.nl
T-Mobile UK (from: 30, msg: 160, total: 160)
Messages are sent to number@t-mobile.uk.net
T-Mobile USA (from: 30, msg: 160, total: 160)
Messages are sent to number@tmomail.net
T-Mobile USA (Sidekick) (from: 30, msg: 10000, total: 10000)
Messages are sent to username@tmail.com
Tele2 Latvia (from: 20, msg: 160, total: 160)
10-digit phone number. Goes to number@sms.tele2.lv.
Telefonica Movistar (from: 20, msg: 120, total: 120)
10-digit phone number. Goes to number@movistar.net
Telenor (from: 20, msg: 160, total: 160)
10-digit phone number. Goes to number@mobilpost.no.
Telia Denmark (from: 20, msg: 160, total: 160)
8-digit phone number. Goes to number@gsm1800.telia.dk.
Telus Mobility (from: 30, msg: 120, total: 120)
10-digit phone number. Goes to 10digits@msg.telus.com.
The Phone House (from: 20, msg: 160, total: 160)
10-digit phone number. Goes to number@sms.phonehouse.de.
TIM (from: 30, msg: 350, total: 350)
10-digit phone number. Goes to number@timnet.com.
UMC (from: 10, msg: 120, total: 120)
Sent by addressing the message to number@sms.umc.com.ua
Unicel (from: 10, msg: 120, total: 120)
Sent by addressing the message to number@utext.com
US Cellular (from: , msg: 150, total: 150)
Enter a 10 digit USCC Phone Number. Messages are sent to number@email.uscc.net
Verizon Wireless (from: 34, msg: 140, total: 140)
Enter your 10-digit phone number. Messages are sent via email to number@vtext.com.
Verizon Wireless (formerly Airtouch) (from: 20, msg: 120, total: 120)
Enter your phone number. Messages are sent to number@airtouchpaging.com. This is ONLY for former AirTouch customers. Verizon Wireless customers should use Verizon Wireless instead.
Verizon Wireless (myairmail.com) (from: 34, msg: 140, total: 140)
Enter your phone number. Messages are sent via to number@myairmail.com.
Vessotel (from: 20, msg: 800, total: 800)
Enter your phone number. Messages are sent to roumer@pager.irkutsk.ru.
Virgin Mobile Canada (from: 20, msg: 140, total: 140)
Enter your phone number. Messages are sent to number@vmobile.ca.
Virgin Mobile USA (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@vmobl.com.
Vodafone Italy (from: 20, msg: 132, total: 132)
Enter your phone number. Messages are sent to number@sms.vodafone.it
Vodafone Japan (Chuugoku/Western) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@n.vodafone.ne.jp
Vodafone Japan (Hokkaido) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@d.vodafone.ne.jp
Vodafone Japan (Hokuriko/Central North) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@r.vodafone.ne.jp
Vodafone Japan (Kansai/West -- including Osaka) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@k.vodafone.ne.jp
Vodafone Japan (Kanto/Koushin/East -- including Tokyo) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@t.vodafone.ne.jp
Vodafone Japan (Kyuushu/Okinawa) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@q.vodafone.ne.jp
Vodafone Japan (Shikoku) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@s.vodafone.ne.jp
Vodafone Japan (Touhoku/Niigata/North) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@h.vodafone.ne.jp
Vodafone Japan (Toukai/Central) (from: 20, msg: 160, total: 160)
Enter your phone number. Messages are sent to number@c.vodafone.ne.jp
Vodafone Spain (from: 20, msg: 90, total: 90)
Enter your username. Messages are sent to username@vodafone.es
Vodafone UK (from: 20, msg: 70, total: 90)
Enter your username. Messages are sent to username@vodafone.net
Voicestream (from: 15, msg: 140, total: 140)
Enter your 10-digit phone number. Message is sent via the email gateway, since they changed their web gateway and we have not gotten it working with the new one yet.
Weblink Wireless (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to @airmessage.net
WellCom (from: 20, msg: 160, total: 160)
Enter your phone number. Goes to @sms.welcome2well.com
WyndTell (from: 20, msg: 480, total: 500)
Enter username/phone number. Goes to @wyndtell.com