As expected, AT&T and Verizon both announced today that they will sell the new WiFi+4G iPad starting Friday, March 16. AT&T will sell the iPad through all AT&T sales channels, while Verizon will offer the new iPad at all Verizon Wireless Communications Stores and online.

The iPad WiFi+4G will cost US$629 for the 16 GB version, $729 for 32 GB and $829 for 64 GB. You can find information about data plans and support for personal hotspot on either Verizon's or AT&T's website. At the present time, Verizon has announced support for tethering/personal hotspot service, while AT&T has not.