| Phone Number | Department |
| 923.4016 | Adult Probation |
| 938.1394 | Airport |
| 935.8405 | Auditor |
| 687.2830 | Constable # 1 Bill Elliott |
| 923.4015 | Constable # 2 Brant Moore |
| 668.3611 | Constable # 3 Phillip Mauldin |
| 923.4013 | Constable # 4 Robert Wood |
| 935.8403 | County Clerk |
| 935.8402 | Commissioner's Court |
| 687.2830 | Commissioner Precinct #1 - Waskom Office |
| 668.1702 | Commissioner Precinct #3 - Hallsville Office |
| 935.8406 | County Court @ Law |
| 935.8401 | County Judge |
| 935.5108 | DPS |
| 935.8408 | District Attorney |
| 935.8409 | District Clerk |
| 935.8407 | District Judge |
| 935.4822 | Elections |
| 935.8413 | Extension Agent-Ag |
| 935.8414 | Extension Agent-Home |
| 935.8418 | Fine Collection |
| 935.4870 | Fire Marshal |
| 935.8417 | Historical Commission |
| 923.4018 | Human Resource Department |
| 923.4050 | IT Department |
| 687.2370 | JP 1 Hugh Taylor |
| 923.4009 | JP 2 Kent Alford |
| 668.2050 | JP 3 Mike Smith |
| 923.4011 | JP 4-1 Nancy George |
| 777.3232 | JP 4-2 Melba Oney |
| 923.4003 | Jail |
| 923.4004 | Jail Bonds & Fines |
| 935.4871 | Juvenile Center |
| 935.8419 | Maintenance |
| 935.8412 | Purchasing Department |
| 935.4868 | Road & Bridge |
| 923.4000 | Sheriff Department |
| 923.4001 | CID |
| 923.4002 | Civil & Warrants |
| 935.8411 | Tax Office |
| 668.4156 | Tax Office-Hallsville |
| 687.3679 | Tax Office-Waskom |
| 935.8404 | Treasurer |
| 935.8415 | Veterans Office |
| 935.8416 | Welfare |