| City: | Opelousas, Louisiana |
| Parish: | Saint Landry Parish |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:21:36 PM |
| Population: | No Population Data |
| Area Code: | 337 |
| Classification: | PO Box |
| Coordinates: | 30.5336, -92.0817 |
| Quick Link: |
ZIP code 70571 serves as a PO Box-only mail destination within Opelousas, Louisiana. This isn't a separate geographic area. It's a dedicated ZIP for PO Box customers at a specific post office location in Saint Landry Parish. The enclosing ZIP code 70570 handles regular street delivery throughout Opelousas.
The post office maintains 812 PO Boxes and serves 281 business delivery points. With 15 business establishments employing 84 workers using this ZIP, it functions as a commercial mail hub for the area. The single street address on file (Wallior St) with unit designators is the post office's physical location, used for PO Box Street Addressing. This lets customers receive packages addressed to the building street address with their box number as a unit.
Opelousas residents have options. Those who prefer PO Box service use 70571, while homes and businesses with street addresses receive mail through 70570. This split-ZIP arrangement is common in Louisiana towns where a downtown post office predates modern carrier routes. The PO Box ZIP doesn't indicate isolation or lack of development. It simply gives postal customers a dedicated address type.
The only street is Wallior St, which is the post office's physical address used for PO Box Street Addressing.
ZIP Code 70571 supports both business and residential activity. According to the Business Census (2024), there are 13 business establishments, employing about 81 people with an annual payroll of $3,225,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,517Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 13Source: CBP |
| 1st Quarter Payroll: | $711,000Source: CBP |
| Annual Payroll: | $3,225,000Source: CBP |
| # of Employees: | 81Source: CBP |
ZIP Code 70571 is located in Saint Landry Parish, Louisiana, within the Metropolitan Statistical Area (CBSA ) and Louisiana's 4th Congressional District. This area has a population of 83,384 people, about 0.00% of whom live in ZIP Code 70571. 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: | 83,384Source: Census |
| MSA: | Lafayette, LA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 04Source: USPS |
| Congressional Land Area: | 12435.1 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2258045Source: Census |
| Place Name: | Opelousas city; LouisianaSource: Census |
ZIP Code 70571 is in the St. Landry Parish School District, which serves grades Pre-Kindergarten thru 12th. There are 1 public school(s) in this ZIP Code, and we have located 3 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.