| City: | El Dorado, Arkansas |
| County: | Union County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 1:57:18 AM |
| Population: | No Population Data |
| Area Codes: | 327 / 870 |
| Classification: | PO Box |
| Coordinates: | 33.2077, -92.6663 |
| Quick Link: |
ZIP code 71731 serves a business district within El Dorado, Arkansas, functioning as a specialized commercial postal zone. This ZIP doesn't cover residential areas. Instead, it handles mail for 18 business establishments employing 1,018 workers, with 87 business delivery points concentrated along E Elm Street.
The post office maintains 88 PO Boxes alongside limited street delivery. Nearly all street addresses (118 of 119 records) are on E Elm Street, with multi-unit designators indicating office suites or commercial spaces. This concentrated pattern suggests a single large building or compact business complex rather than a spread-out district.
El Dorado's residential population uses ZIP 71730, the standard sibling to this PO Box classified code. The separation between commercial (71731) and residential (71730) zones is a legacy postal classification that persists despite both ZIPs serving the same city. This isn't a PO Box Only Zone, as street delivery exists throughout El Dorado via the neighboring ZIP.
Street delivery is concentrated almost entirely on E Elm Street with multi-unit designators, suggesting a business complex or office building.
ZIP Code 71731 supports both business and residential activity. According to the Business Census (2024), there are 17 business establishments, employing about 1,026 people with an annual payroll of $81,751,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 549Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 17Source: CBP |
| 1st Quarter Payroll: | $19,557,000Source: CBP |
| Annual Payroll: | $81,751,000Source: CBP |
| # of Employees: | 1,026Source: CBP |
ZIP Code 71731 is located in Union County, Arkansas, within the El Dorado, AR Metropolitan Statistical Area (CBSA 20980) and Arkansas's 4th Congressional District. This Micro area has a population of 38,368 people, about 0.00% of whom live in ZIP Code 71731. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | El Dorado, ARSource: Census |
| CBSA Number: | 20980Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 38,368Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 04Source: USPS |
| Congressional Land Area: | 22338.08 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0521070Source: Census |
| Place Name: | El Dorado city; ArkansasSource: Census |
We could not locate which school district 71731 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. 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 January 1, 2026.