Former services Wireless telephony From 1998 until 2015, Cincinnati Bell Wireless (CBW) offered GSM wireless service in southeastern Indiana, southwestern Ohio, and northwestern Kentucky. It was sold at Best Buy, Circuit City (until 2009), Office Depot, and participating Kroger locations. It offered HSPA+ service in most of Hamilton County, Ohio, and parts of surrounding counties; EDGE service in Dayton and Oxford; and GSM service elsewhere. The local coverage area extended north to Celina and Urbana, east to Hillsboro, south to Corinth and Warsaw, and west to Batesville. Cincinnati Bell's prepaid mobile phone products were sold under the same i-wireless brand as an unrelated service by locally based Kroger. Cincinnati Bell made its first foray into wireless telephony around 1986, when it acquired a 45% stake in Ameritech Cellular. On February 2, 1998, Cincinnati Bell acquired 80% of AT&T Wireless Services's new Cincinnati-Dayton PCS network for over $100 million. Cincinnati Bell's subsidiary Cincinnati Bell Wireless was responsible for marketing and sales, while AT&T Wireless handled technical operations for the joint venture. Wireless service began by June in Cincinnati and by September in Dayton, eventually covering a 21-county area. When AT&T Wireless was purchased by Cingular, now known as AT&T Mobility, control of its 20% stake also passed to Cingular. On February 17, 2006, Cincinnati Bell took full control of CBW by purchasing Cingular's stake for $83 million. As a part of the deal, Cincinnati Bell and Cingular secured lower roaming charges on each other's respective GSM networks. On April 7, 2014, Cincinnati Bell announced plans to sell its wireless spectrum and other assets to Verizon Wireless, as part of a planned emphasis on enterprise and entertainment services such as Fioptics. Cincinnati Bell Wireless ended service on February 28, 2015, and the company's retail locations began selling Verizon products. Directories Like other Bell System–affiliated companies, Cincinnati Bell published a series of local telephone directories, beginning in 1879. In 2002, it spun off these operations as CBD Media. Retail presence Cincinnati Bell originally operated a chain of Cincinnati Bell Phone Center locations until 1992, when it sold the retail chain to AT&T. It reentered the retail space in 1998 with three Store@Cincinnati Bell retail locations. , the company operates nine Cincinnati Bell Stores. Downtown Cincinnati presence Cincinnati Bell's headquarters are located in the Atrium Two building on 4th Street in Downtown Cincinnati. The company's former headquarters and telephone exchange on 7th Street is