<Tr> <Td_colspan="2"> San Antonio Rampage (AHL) (2002--present) San Antonio Spurs (NBA) (2002--present) San Antonio Stars (WNBA) (2003--2014, 2016--2017) </Td> </Tr> <P> The AT&T Center is a multi-purpose indoor arena on the east side of San Antonio, Texas, United States . It is the home of two professional sports teams: the San Antonio Spurs (National Basketball Association), and the San Antonio Rampage (American Hockey League). </P> <P> The arena seats 18,418 for basketball, 16,151 for ice hockey, and 19,000 for concerts or gatherings, and contains 2,018 club seats, 50 luxury suites and 32 bathrooms . It was opened in 2002 as the SBC Center, at a cost of US $175 million, financed by county - issued bonds, which were supported by a hotel - occupancy and car - rental tax increase and an additional contribution of $28.5 million from the Spurs . SBC Communications, Inc., purchased the naming rights to the facility under a 20 - year, $41 million naming rights agreement with Bexar County, the San Antonio Spurs, and the San Antonio Stock Show & Rodeo in July 2000 . SBC Communications changed its name to AT&T Inc. in November 2005 . The arena officially changed its name to AT&T Center in January 2006 . </P> <P> From 2003 to 2017 the arena was home to the San Antonio Stars of the Women's National Basketball Association . </P>

What is the capacity of the at&t center in san antonio