Showing Content for | Change your ZIP Code

Enter another ZIP to see info from a different area. X | >

!We can't find that ZIP Code. Try again.

Program GSM & TDMA SMS message center numbers

Learn how to program your device with the common Message Center Number provisioned on all AT&T SIM cards nationally, +13123149810.


ArticleDETAILED STEPS

Update the AT&T Message Center Number

New & existing AT&T wireless customers
The common Message Center Number for new and existing AT&T wireless customers is:
  • +1.312.314.9810
  • This number is provided on all AT&T SIM cards nationally. 

Multiple message center numbers are available for each region. However, each number functions the same regardless of what’s chosen.

For help programming the Message Center Number
  • Chat with us using the Chat button when available. Not available for AT&T PREPAIDSM (formerly GoPhone®).
  • Call 611 from an AT&T wireless phone.
  • Call 800.331.0500 (AT&T PREPAID customers call 800.901.9878).
  • Former AT&T wireless customers use +1.970.376.9301.
Show more

SMS text message plus sign requirement

A plus "+" sign must precede the 11-digit message center number in order for SMS text messaging to function:
  • The plus sign (+) key appears on most phones if you press and hold down the 0 key.
  • On some BlackBerry devices, press the SYM key, and then press the + key.
Show more

Did you get the help you needed?

Great! We're so glad we could help.

We're sorry that didn't solve your issue.

Thanks for your feedback!


Community discussion

Explore the wireless forum

Ask questions. Get answers. Help others. Join the conversation!