Verizon and Sprint customers can now message each other Hopefully, this works better than keeping your cell phone number while you switch cell phone carriers. Verizon and Sprint began to share MMS message capabilitites on Saturday, meaning that customers of the two bleeding edge mobile phone companies can now communicate with each other thru MMS text messaging because, well, what else would you do with a cell phone? Other carriers, T-Mobile USA and Cingular are suspected to be following suit.  ¶ 5:44 AM