What is what area code is 830?

Area code 830 is a telephone area code that serves the southwestern part of the state of Texas in the United States. It covers the cities of San Antonio, New Braunfels, Seguin, Kerrville, Fredericksburg, Boerne, and Del Rio, among others. It was created in 1997 as a split from area code 210. The 830 area code covers an area of approximately 16,200 square miles and serves a population of over 1.2 million people. It is surrounded by the area codes 210, 325, 432, and 979.