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cometsfog's profile

New Member


1 Message

Monday, March 6th, 2023 1:37 AM

We're working on our system right now. Give us some time and try again later. ERROR CODE: SSACT-523

I am trying to activate a prepaid SIM card and after I enter my payment information and hit "submit" I got this error....

"We're working on our system right now. Give us some time and try again later. ERROR CODE: SSACT-523"

Can someone tell me what this error code means and how I can activate my SIM card?

Community Support


225.8K Messages

9 months ago

We are here to help you activate your AT&T Prepaid SIM Card cometsfog!


Please review the step-by-step instructions to activate from your device.  Before activating your AT&T Prepaid account from your device, make sure your device has been charged and that the AT&T Prepaid SIM card has been inserted (some devices may have the SIM card pre-installed).


You can also activate online with your ICCID/SIM number, IMEI number and service ZIP Code. Lastly, use our automated system by calling 877.426.0525 for automated instructions. You will need to know your SIM/eSIM ICCID & IMEI number for activation. EID is not supported at this time.


Please let us know if this helps! Thank you for posting on the AT&T Community Forums!


Rhoda, AT&T Community Specialist 

1 Message

3 months ago

I am having same problem trying to activate a new pre-paid account. I have tried from the phone and on my laptop and get the same message everywhere I do the activation steps. Even tried through your link above. 

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