The Federal Reserve Bank of Dallas covers the Eleventh Federal Reserve District, which includes Texas, northern Louisiana and southern New Mexico, a district sometimes referred to as the Oil Patch.
The Federal Reserve Bank of Dallas is one of 12 regional Reserve Banks that, along with the Board of Governors in Washington, D.C., make up the nation's central bank. The Dallas Fed is the only one where all external branches reside in the same state.
The Dallas Fed has branch offices in El Paso, Houston, and San Antonio.
Wikipedia https://en.wikipedia.org/wiki/Federal_Reserve_Bank_of_Dallas
Coordinates 32°47'31.205" N -96°48'1.213" E