Cingular Wireless is selling spectrum to Alltel and Metro PCS as part of stipulations related to its acquisition of AT&T Wireless.

The deals generate $400 million for Cingular.

Alltel is acquiring AT&T Wireless properties, including spectrum and rights to customers, in Oklahoma City and several other markets. Cingular also sold part of its own spectrum in Georgia and Texas in a deal worth $170 million.

The deal also includes a swap of spectrum in some markets, including Kansas City and Milwaukee.

MetroPCS will pay Cingular $230 million for spectrum in Dallas and Detroit.

The deals are part of the divestiture obligations mandated by the Department of Justice and Federal Communications Commission.