| Code Type | Code Model | Amendment Contact |
| Building/Dwelling Code | IBC 2003; IRC 2003 | online |
| Structural Code | IBC 2003; IRC 2003 | online |
| Plumbing Code | IPC 2003 | online |
| Mechanical Code | SMC 1997 | online |
| Electrical Code | NEC 2005 | online |
| Other Codes | Gas: IFGC 2003 | |
| Jurisdictional Area | Contact |
| Structural | Inspections Phone: (601) 960-1190 |
| Plumbing | Inspections Phone: (601) 960-1190 |
| Mechanical | Inspections Phone: (601) 960-1190 |
| Electrical | Inspections Phone: (601) 960-1190 |
| Accessibility | Inspections Phone: (601) 960-1190 |
| Historic Preservation | Mary Merck Historic Preservation Phone: (601) 960-2071 |
| Fire Marshal | Joyce O'Quinn Fire Marshal Phone: (601) 960-2018 |
| Civil | Charles Burns, P.E. Public Works Phone: (601) 960-1651 |
| Zoning | Land Development Division Phone: (601) 960-2037 |
| Planning | Joseph Warnsley Site Plan Review Coodinator Phone: (601) 960-2253 |
| City Attorney | Sarah O'Reilly-Evans City Attorney Phone: (601) 960-1799 Fax: (601) 960-1756 |
| Public Works | Thelman Boyd Director Phone: (601) 960-2091 |
| Parks/Recreation | Charles Melvin Director Phone: (601) 960-0716 |
| Aviation | Woodrow Wilson Director of Facilities Phone: (601) 939-5631 |
