Five telecommunication companies are suing Napa County over property taxes they say were collected in violation of the California Constitution. The companies — Pacific Bell, AT&T, Sprint Spectrum, T-Mobile and CenturyLink — seek combined tax refunds of more than $1.1 million. The suit, in which the telecommunication companies are represented by law firms in Sacramento and San Francisco, also seeks attorneys fees, litigation costs and a court judgment stating the tax rates the county applied to the companies’ property is unconstitutional.