Alltel [10-digit phone number]@message.alltel.com

Alaska Communications System [10-digit phone number]@msg.acsalaska.com AT&T [10-digit phone number]@txt.att.net Boost: [10-digit phone number]@myboostmobile.com CellularOne (Dobson): [10-digit phone number]@mobile.celloneusa.com

CellularOne West [10-digit phone number]@mycellone.com Cellular South: [10-digit phone number]@csouth1.com

Centennial Wireless [10-digit phone number]@cwemail.com Cincinnati Bell [10-digit phone number]@gocbw.com Cricket [10-digit phone number]@sms.mycricket.com EinsteinPCS / Airadigm Communications [10-digit phone number]@einsteinsms.com Globalstar (satellite) [10-digit phone number]@msg.globalstarusa.com Idea Cellular [10-digit phone number]@ideacellular.net Iridium (satellite) [10-digit phone number]@msg.iridium.com i-wireless [10-digit phone number][email protected] Meteor [10-digit phone number]@sms.mymeteor.ie Metro PCS [10-digit phone number]@mymetropcs.com Metrocall Pager [10-digit phone number]@page.metrocall.com Mobilfone [10-digit phone number]@page.mobilfone.com Nextel [10-digit phone number]@messaging.nextel.com O2 (formerly BTCellnet) [username]@o2.co.uk Skytel – Alphanumeric [10-digit phone number]@skytel.com Sprint [10-digit phone number]@messaging.sprintpcs.com Southern Linc [10-digit phone number]@page.southernlinc.com Syringa Wireless [10-digit phone number]@rinasms.com T-Mobile UK [phone number]@t-mobile.uk.net T-Mobile USA [10-digit phone number]@tmomail.net Tracfone [10-digit phone number]@mmst5.tracfone.com Telus Mobility [10-digit phone number]@msg.telus.com Unicel [10-digit phone number]@utext.com US Cellular [10-digit phone number]@email.uscc.net Verizon [10-digit phone number]@vtext.com Viaero [10-digit phone number]@viaerosms.com Virgin Mobile Canada [10-digit phone number]@vmobile.ca Virgin Mobile USA [10-digit phone number]@ vmobl.com Vodafone UK [username]@vodafone.com