TextNow is a popular messaging app on iOS and Android platforms, now available for Windows Phone devices. TextNow provides free texting and calling for your computer and mobile devices. TextNow gives you your very own dedicated phone number with which you can text and call for free.
When you sign up, you are assigned a dedicated phone number with the area code of your choosing. You can use this number to send and receive unlimited texts within USA and Canada. You can also send and receive picture messages! Your friends and family don’t need to have TextNow, it works just like a normal phone.
Download it here from Windows Phone Store for free.