US LEC has signed a four-year contract to provide local and long distance voice services to Commonwealth National Bank in Alabama, the company said Monday.

Commonwealth has three locations, including Mobile.

Nearly 700 banking and financial organizations now use US LEC for a variety of voice and data services, the company said. With a growth rate of 11 percent, the financial services sector is its fastest growing vertical market, the Charlotte-based regional telecommunications provider added.

US LEC: www.uslec.com