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AT&T Wireless
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
.
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 PREPAID
SM
(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
.
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
.
Last updated: December 7, 2022
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