University Of Texas Southwestern Medical Center (System 1) (Dallas) (Area 0) 1 2 453.7250 3 4 453.2375 5 6 7 8 453.7875 9 10 11 12 13 463.9125 14 15 16 17 18 19 20 0-02-102 Dallas County Hospital District Police 0-02-108 Dallas County Hospital District Security