Main city: San Antonio
Timezone: Central
Phone type: Cell Number
Operator: Awesome Paging

San Antonio, officially the City of San Antonio,, the seventh most populous city in the United States of America and the second most populous city in the state of Texas, with a population of 1.3 million. It was the fastest growing of the top 10 largest cities in the United States from 2000-2010, and the second from 1990-2000. The city is located in the American Southwest, the south–central part of Texas, and the southwestern corner of an urban region known as the Texas Triangle. ^source

Area code 210 is a North American telephone area code for numbers in and near San Antonio, Texas. It is an enclave area code, similar to area code 312 in Chicago and area code 213 in Los Angeles, in that it is completely surrounded by area code 830. ^source