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With a population of 1.5 million people, San Antonio is the second biggest city in Texas. It covers 465 square miles in Bexar County, but area code 210 and 830 includes Edwards, Karnes, Val Verde, Wilson, and many others as well. The San Antonio area code is in the southern part of the state of Texas and is only 77 miles from the state capital of Austin, 201 miles from Houston, and 247 miles from the Dallas - Fort Worth metropolitan area.
San Antonio was founded in 1718 and was originally a settlement in Spanish Texas. The city thrived until the Mexican-American war, where it changed hands and became part of the United States in 1848. The war caused a serious population decline, but San Antonio began to grow again in the late 19th century as railways connected it to the rest of the state and the country. Now it is one of the most important cities in the southern United States and the seventh largest city in the country.