Earlier this week we mentioned that AT&T and Verizon were waiving international long-distance fees to Japan in the wake of the disasters there last week, and Comcast reached out to us to let us know that Xfinity Voice and Business subscribers are also able to place free calls to Japan. The goal is to allow Xfinity Voice users to be able to get in touch with family, friends, and loved ones in Japan without worrying about accruing massive long-distance charges. Comcast says that subscribers will be able to call Japan for free through April 10, 2011. Customers who have already placed calls to Japan using their Xfinity Voice accounts will be reimbursed for calls back-dated to March 11th, the day the earthquake struck. The fee waivers apply to both mobile phones and landlines.