| Business | Phone |
| Planning & Code Compliance 114 W Martin St, Del Rio 78840 | (830) 774-8524 |
| Del Rio Accounting 109 W Broadway St, Del Rio 78840 | (830) 774-8533 |
| Del Rio Finance Dept 109 W Broadway St, Del Rio 78840 | (830) 774-8555 |
| Del Rio Animal Control 203 Avenue P, Del Rio 78840 | (830) 774-2711 |
| Del Rio Animal Shelter 203 Avenue P, Del Rio 78840 | (830) 774-8628 |
| Del Rio Boys Club 1101 W De La Rosa St, Del Rio 78840 | (830) 775-9827 |
| Del Rio City Engineer 114 W Martin St, Del Rio 78840 | (830) 774-8531 |
| Del Rio City Geographic Info 114 W Martin St, Del Rio 78840 | (830) 774-8613 |
| Del Rio City Office 114 W Martin St, Del Rio 78840 | (830) 774-8783 |
| Del Rio Data Processing 109 W Broadway St, Del Rio 78840 | (830) 774-8537 |
| Del Rio Fleet Svc Maintenance 105 W Gibbs St, Del Rio 78840 | (830) 774-8774 |
| Del Rio Health Inspector 114 W Martin St, Del Rio 78840 | (830) 774-8630 |
| Del Rio Intl Bridge Del Rio 78840 | (830) 774-8561 |
| Del Rio Nutrition Ctr 1105 W De La Rosa St, Del Rio 78840 | (830) 774-8670 |
| Del Rio Municipal Facilities Del Rio 78840 | (830) 774-8641 |
| Del Rio Personnel 109 W Broadway St, Del Rio 78840 | (830) 774-8552 |
| Del Rio Planning & Code 114 W Martin St, Del Rio 78840 | (830) 774-8526 |
| Del Rio Purchasing Agent 105 W Gibbs St, Del Rio 78840 | (830) 774-8508 |
| Del Rio Purchasing Agent 109 W Broadway St, Del Rio 78840 | (830) 774-8508 |
| Del Rio Water Dept 109 W Broadway St, Del Rio 78840 | (830) 774-8550 |
| Del Rio Water & Sewer 206 N Main St, Del Rio 78840 | (830) 774-8635 |
| Del Rio Traffic Control 103 W Gibbs St, Del Rio 78840 | (830) 774-8639 |
| Gas Division Warehouse 201 E De La Rosa St, Del Rio 78840 | (830) 774-8622 |
| International Bridge Po Box 4239, Del Rio 78841 | (830) 775-2090 |