Hi need2retire_ppc, I don't know if these are the same but you can try this:
T-MobileWeb Settings:
Primary IP Address: 216.155.165.050
Secondary IP Address: (Blank)
Access Point Name (APN): wap.voicestream.com
Data Bearer: GPRS
Profile Name: GPRS
Username: (Blank)
Password: (Blank)
Home Page:
http://wap.myvoicestream.com
Picture Messaging Settings:
Multi-Media Service Center (MMSC) Address:
http://216.155.174.84/servlets/MMS
Validity Period: 72 hours
Hide ID option (if option exists): set to off, no, or disabled
You can also look at the T-mobile website
t-zones(SM) and T-MobileWeb Settings