If you mean SMS messgaes (text) you probably need to enter the SMS message center number.
Existing and New AT&T customers
The message center number for all existing and new AT&T SIM cards is +13123149810. If experiencing problems with text messaging, please contact Customer Care.
Former AT&T Wireless customers
The message center number for all former AT&T Wireless customers is +19703769301.
Former Cellular One from Dobson customers
The message center number for all former Cellular One from Dobson customers is +13305310005.
There could be a message center number changed. find your message center number by your network operator and replace with the other message center number.
Plz check the message centre no. This will definitely work.
408 views
Usually answered in minutes!
×