AT&T SMS Message Center Number is +13123149810 for All Regions in USA
Mobile Tricks

AT&T SMS Message Center Number for All Regions

If you are an AT&T Wireless mobile network customer and would like to update or change the AT&T message center number based on your region or state see below. If SMS is not working one of the problems could be the wrong SMS Message Center Number. AT&T Message Center Number +13123149810 The default Message Center […]