T-Mobile USA has expanded its HSPA+ footprint to cover 25 metropolitan markets nationwide and will continue to market that service as "4G" despite criticism from competitors. The new HSPA+ markets launched include Los Angeles; Dallas, Houston; Atlanta; Seattle; Tampa and Orlando, Fla., Pittsburgh; Charlotte, Greensboro and Winston-Salem, N.C.; Oklahoma City and Tulsa, Okla.; New Orleans; Charleston, S.C.; Bentonville, Ark.; Anderson, S.C.; and Fayetteville, N.C. Article