Following carriers like T-Mobile and Verizon, Cingular’s pricing their SMS and MMS messages equally expensive. You now buy 200 of SMS and MMS mix-and-match messages for $4.99, and 3000 for $19.99. Sending messages without a plan is still 10 cents each.
Cingular tweaks pricing for data, messaging [RCR Wireless News via Mobile Tracker]
