| Carrier | Your Domain is : |
| US Cellular or a reseller | mms.uscc.net email.uscc.net |
| Verison or a reseller | vtext.com vzwpix.com |
| Sprint Nextel | messaging.nextel.com messaging.sprintpcs.com pm.sprint.com messaging.sprintpcs.com |
| AT&T (formerly Cingular) | txt.att.net mms.att.net cingularme.com |
| Alltel | message.alltel.com |
| Boost Mobile | myboostmobile.com |
| T-Mobile | tmomail.net |
| Virgin Mobile USA | vmobl.com |