| City: | Slidell, Louisiana |
| Parish: | Saint Tammany Parish |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:20:15 PM |
| Population: | No Population Data |
| Area Codes: | 504 / 985 |
| Classification: | PO Box |
| Coordinates: | 30.2750, -89.7811 |
| Quick Link: |
ZIP code 70459 is a PO Box-only ZIP in Slidell, Louisiana, located within Saint Tammany Parish on the north shore of Lake Pontchartrain. It doesn't have its own geographic territory. Instead, this ZIP exists as a point location entirely within the boundaries of ZIP 70458, Slidell's main postal zone.
The post office at this location maintains 648 PO Boxes. With 387 business delivery points, this ZIP serves a significant commercial customer base. It isn't a PO Box Only Zone, meaning Slidell residents have street delivery options through neighboring ZIP codes like 70458, 70460, and 70461.
All 145 street-type ZIP+4 records point to 2nd Street with unit designators. This pattern indicates PO Box Street Addressing (PBSA), where PO Box holders can use the post office's physical street address followed by their box number. For example, a customer might use "2nd St Unit 123" instead of "PO Box 123" and both would deliver to the same box.
Slidell sits about 30 miles northeast of downtown New Orleans, serving as a bedroom community for the metro area. The nearest New Orleans neighborhoods include Lake Catherine and New Orleans East, both about 7 miles away. This post office gives local businesses and residents a dedicated Slidell address separate from the larger 70458 delivery zone.
The single street address is the post office's physical location at 2nd Street, used for PO Box Street Addressing.
ZIP Code 70459 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 345 people with an annual payroll of $12,527,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,340Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $3,055,000Source: CBP |
| Annual Payroll: | $12,527,000Source: CBP |
| # of Employees: | 345Source: CBP |
ZIP Code 70459 is located in Saint Tammany Parish, Louisiana, within the Metropolitan Statistical Area (CBSA ) and Louisiana's 1st Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 70459. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | New Orleans, LA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 4030.23 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2270805Source: Census |
| Place Name: | Slidell city; LouisianaSource: Census |
We could not locate which school district 70459 belongs to, but we will update this once new district data is released. There are 0 public schools with a nearby mailing address, but we have located 5 public schools nearby. There are however 1 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.