GSM and TDMA SMS message center numbers
SUBJECT:
GSM and TDMA SMS message center numbers
FACT:
GSM
TDMA
SYMPTOM:
Messaging-SMS
FIX:

Existing and New AT&T wireless services customers

The common message center number provisioned on all AT&T SIM cards nationally is +13123149810. Multiple Message Center Numbers are available for each region; however, each will function the same regardless of what is chosen. If there are problems using the national message center number, please contact AT&T Customer Service for wireless customers for an alternate number.

Former AT&T Wireless Customers

All former AT&T Wireless Customers use +19703769301 nationally.

IMPORTANT: A plus "+" sign MUST precede the 11-digit message center number in order for SMS to function.




If you are viewing information on devices or services, please note: content reflects instructions for devices and services purchased from AT&T.
Some differences may exist for devices not purchased from AT&T.


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