ZIP CodesZIP codes in St. Tammany Parish, Louisiana
St. Tammany Parish, Louisiana has 20 ZIP codes in this list, from 70420 to 70471. They cover 12 places, among them Slidell, Covington, Mandeville and Abita Springs.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 70420 | Abita Springs | 63.8 | 30.484, -90.004 |
| 70431 | Bush | 69.4 | 30.613, -89.956 |
| 70433 | Covington | 48.7 | 30.488, -90.096 |
| 70434 | Covington | no area | 30.476, -90.100 |
| 70435 | Covington | 104 | 30.566, -90.110 |
| 70437 | Folsom | 86.4 | 30.614, -90.188 |
| 70445 | Lacombe | 108 | 30.322, -89.930 |
| 70447 | Madisonville | 31.0 | 30.429, -90.177 |
| 70448 | Mandeville | 21.9 | 30.367, -90.049 |
| 70452 | Pearl River | 99.2 | 30.394, -89.773 |
| 70457 | Saint Benedict | 0.0 | 30.527, -90.113 |
| 70458 | Slidell | 20.9 | 30.278, -89.771 |
| 70459 | Slidell | no area | 30.425, -89.881 |
| 70460 | Slidell | 38.4 | 30.292, -89.813 |
| 70461 | Slidell | 53.5 | 30.273, -89.729 |
| 70463 | Sun | 0.9 | 30.649, -89.893 |
| 70464 | Talisheek | 3.4 | 30.535, -89.886 |
| 70469 | Slidell | no area | 30.275, -89.781 |
| 70470 | Mandeville | no area | 30.425, -89.881 |
| 70471 | Mandeville | 28.9 | 30.421, -90.059 |
The ZIP code areas of St. Tammany Parish add up to about 779 square miles of land (2,017 sq km) as the Census Bureau draws them. The largest is 70445 (Lacombe), with 108 square miles.
Places with more than one code here: Slidell (5 codes), Covington (3 codes), Mandeville (3 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Abita Springs, LA 70420.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.