| Department | Contact | Website | 
|---|---|---|
| General Information | Phone:  Email:  | www.lonestar.edu/tomball | 
| Academic Affairs (Dual Credit, | Phone: 281.401.1897 | lonestar.edu/TomballDualCredit | 
| Evening and Weekend Classes at LSC-Tomball | lonestar.edu/tomballewc | |
| Admissions and Recruitment | Phone:  281.351.3389 | lonestar.edu/tomball_ar | 
| Advising | Phone:  281.351.3310 Fax: 281.357.3773 Email: TC-Advising@LoneStar.edu | lonestar.edu/tomballadvising | 
| Testing Center | Phone: 832.559.4245 Email: TCTesting@LoneStar.edu | lonestar.edu/testing-tomball | 
| Cashier/Bursar | Phone: 281.357.3754 Email:  | lonestar.edu/Tomball-Cashier | 
| College Relations | Phone:  281.357.3608 Fax: 281.357.3603 | lonestar.edu/tomball-relations | 
| Commons Café | Phone: 281.357.3601 | lonestar.edu/cafe-tomball | 
| Continuing Education | Phone:  281.357.3676 Fax: 281.357.3726 | lonestar.edu/continuing-education | 
| Counseling | Phone:  281.351.3380 | lonestar.edu/Tomball-Counseling | 
| Division I (Fine Arts, Math, Natural Sciences, lifePATH) | Phone: 281.351.3359 | lonestar.edu/49166 | 
| Division II (English, Education, Social Science, Behavioral Science, Languages) | Phone: 281.357.3798 | lonestar.edu/49166 | 
| Division III (Health Sciences) | Phone: 281.401.1897 | lonestar.edu/49166 | 
| Division IV (Accounting, Business, Economics, Physics, CISCO, Data Analytics, Electrical Technology, ESOL) | Phone: 832.761.6612 | lonestar.edu/49166 | 
| Extended Learning Center (Tutoring Center) | Phone: 832.559.4240 | lonestar.edu/learning-tomball | 
| Financial Aid | Phone:  281.290.2700 email: TC-Finaid@LoneStar.ed | lonestar.edu/tomball-fa | 
| Health Science Building | Phone: 281.826.5399 | lonestar.edu/HealthScienceBuilding | 
| Health Science Library | Phone: 281.826.5336 | lonestar.edu/library/15804 | 
| Library | Phone: 832.559.4211 Email: TCRef@LoneStar.edu | lonestar.edu/library/tomball | 
| LSC–Creekside Center | Phone: 832.761.6600 | lonestar.edu/creekside-center | 
| Student Engagement | Phone:  281.357.3681 Fax: 281.401.1861 | lonestar.edu/student-engagement-tomball | 
| TRIO | Phone: 281.357.3703 | lonestar.edu/tomball-trio | 
| Vice President of Instruction | Phone: 281.357.3730 | lonestar.edu/tomball-vpi | 
| Vice President of Student Success | Phone: 281.357.3737 | lonestar.edu/dss-leadership | 
| Workforce Programs | Phone: 281.351.3366 | lonestar.edu/Workforce-Economic-Development |