| Business | Phone |
| Community Council Of Sw Texas 123 W Savalla St, Crystal City 78839 | (830) 374-2432 |
| Elderly Nutrition Ctr 1210 N 7th Ave, Crystal City 78839 | (830) 374-2336 |
| Honorable Rey Perez Zavala County Courthouse, Crystal City 78839 | (830) 374-5844 |
| Zavala County Appraisal Distr 323 W Zavala St, Crystal City 78839 | (830) 374-3475 |
| Zavala County Extension Agent 221 N 1st Ave, Crystal City 78839 | (830) 374-2883 |
| Justice Of Peace Precinct 3 319 N 1st Ave, Crystal City 78839 | (830) 374-5197 |
| Zavala County Treasurer's Ofc 200 E Uvalde St, Crystal City 78839 | (830) 374-2442 |
| Zavala County Utility Dept 319 N 1st Ave, Crystal City 78839 | (830) 374-2095 |