ZIP code · Slidell · Louisiana · United States
ZIP code 70458 — Slidell
ZIP code 70458 serves Slidell, Louisiana.
- Postal code
- 70458Single source Value from one source, not cross-checked.
- City
- Slidell
- County
- St. Tammany FIPS 22103
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.2784, -89.7712 — precision precise (locality)
View on OpenStreetMap - Population
- 39,385 (ZCTA, ACS 5-year)
- Population density
- 1,886 / sq mi
- Land area
- 20.9 sq mi (54.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $69,816
- Per-capita income
- $37,019
- Median age
- 39.6
- Households
- 15,697
- Housing units
- 17,026
- Median home value
- $227,200
- Median gross rent
- $1,400 / month
- Congressional district
- LA-1 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 985Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 70458 with another ZIP · ZIPs within 25 miles · distance from 70458
Map of ZIP code 70458
Climate — monthly normals
Warmest month Aug (avg high 90°F), coldest Jan (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 61 | 64 | 70 | 76 | 83 | 88 | 90 | 90 | 87 | 79 | 70 | 63 |
| Avg low °F | 42 | 45 | 52 | 58 | 66 | 72 | 74 | 74 | 70 | 59 | 49 | 44 |
| Precip in | 5.9 | 4.4 | 5.3 | 5.5 | 5.8 | 5.8 | 7.7 | 7.6 | 5.0 | 4.2 | 4.2 | 5.0 |
NOAA 1991–2020 climate normals from the nearest station: SLIDELL (0.9 mi) · NOAA NCEI
Places in ZIP 70458
- 15 schools
- 5 hospitals & clinics
- 1 doctors & dentists
- 3 pharmacies
- 5 supermarkets
- 67 restaurants & cafés
- 5 bars & pubs
- 17 parks
- 1 playgrounds
- 6 gyms & sports centres
- 1 libraries
- 1 post offices
- 7 places of worship
- 3 banks
- 17 gas stations
- 3 EV charging stations
- 5 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page