According to a report from Nikkei (via Bloomberg), Japan’s Softbank, the third-largest mobile carrier in the country, is currently seeking to acquire two-thirds of U.S.-based Sprint Nextel Corp. The price is rumored at roughly $19 billion USD and would make AT&T the last fully U.S.-based carrier:

Softbank Corp. (9984), Japan’s third- largest mobile-phone company, is in talks to buy control ofSprint Nextel Corp. (S), according to two people familiar with the matter…The deal would give Softbank a base for entering the U.S. market with a compatible carrier that uses similar equipment made by Sweden’s Ericsson AB, the Nikkei reported.