Cingular is adding 10 new cell sites in and around the Charlotte metropolitan area.

The sites are part of Cingular’s $385 million upgrade of its Carolinas network coverage. The Charlotte area is one of those served by Cingular’s wireless broadband network.

New coverage includes areas of York County in South Carolina plus Union, Cabarrus and Catawba counties in North Carolina as well as near Davidson.

Cingular’s wireless broadband network is also available in the Triangle, Greensboro and Columbia, S.C.