| Business | Phone |
| Auditorium Booking 2056 2nd St, Slidell 70458 | (985) 646-4329 |
| Vehicle Maintenance Dept 1327 Bayou Ln, Slidell 70460 | (985) 646-6147 |
| Slidell Animal Shelter 2700 Terrace Ave, Slidell 70458 | (985) 646-4267 |
| Slidell Chief Of Staff 2056 2nd St, Slidell 70458 | (985) 646-4330 |
| Slidell City Animal Assistance 2700 Terrace Ave, Slidell 70458 | (985) 646-6178 |
| Slidell City Council Offices 1330 Bayou Ln 110, Slidell 70460 | (985) 646-4307 |
| Slidell City Engineering 1330 Bayou Ln 112, Slidell 70460 | (985) 646-4270 |
| Slidell City Marshall 501 Bouscaren St, Slidell 70458 | (985) 847-1901 |
| Slidell City Prosecutor 2112 Sgt Alfred Dr, Slidell 70458 | (985) 646-4215 |
| Slidell City Risk Management 1330 Bayou Ln, Slidell 70460 | (985) 646-6122 |
| Slidell Olde Towne 444 Erlanger St, Slidell 70458 | (985) 646-4375 |
| Slidell Junior Auxillary 2020 1st St, Slidell 70458 | (985) 646-4328 |
| Slidell Museum 2020 1st St, Slidell 70458 | (985) 646-4380 |
| Slidell Occupational Licenses 1330 Bayou Ln, Slidell 70460 | (985) 646-4310 |
| Slidell Planning 1330 Bayou Ln, Slidell 70460 | (985) 646-4320 |
| Slidell Purchasing 1329 Bayou Ln, Slidell 70460 | (985) 646-4250 |
| Slidell Water Billing 1330 Bayou Ln, Slidell 70460 | (985) 646-4309 |