For the 250 text package, no they DO NOT include mobile to mobile below is the link for the 250 text specs

http://www.verizonwireless.com/b2c/store/featurePopup?item=planFirst&featureType=phone&featureId=309...

Here is the text plan you want:

http://www.verizonwireless.com/b2c/store/featurePopup?item=planFirst&featureType=phone&featureId=210...

It cost $10/month and DOES include VZW to VZW text

However you can opt for truly unlimited messaging for only $20/month more

http://www.verizonwireless.com/b2c/splash/plansingleline.jsp?lid=//global//plans//voice+plans//indiv...