| City: | Oklahoma City, Oklahoma |
| Names to Avoid: | Okc |
| County: | Oklahoma County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:18:41 AM |
| Population: | No Population Data |
| Area Codes: | 405 / 572 |
| Classification: | PO Box |
| Coordinates: | 35.4678, -97.5164 |
| Quick Link: |
ZIP code 73156 operates as a PO Box facility in Oklahoma City, serving the northwest section of the metropolitan area. The post office maintains 537 PO Boxes that serve both individuals and the 508 businesses registered to this location. Despite carrying an Oklahoma City address, this ZIP doesn't cover residential streets. Instead, mail recipients here use W Hefner Road as their street address component when combined with their PO Box number.
The facility works alongside ZIP 73120, which provides the street delivery service for the surrounding area. This arrangement is common in larger cities where high-density PO Box demand justifies a dedicated facility. Businesses particularly favor this setup because it provides a stable mailing address that doesn't change with office relocations within the metro area. The location sits in Oklahoma County's Central Oklahoma City neighborhood, part of the broader Oklahoma City metropolitan region.
W Hefner Road is the sole street designation for this facility, serving as the address component for all 537 PO Boxes. The street name honors Robert A. Hefner, a prominent Oklahoma City mayor and oil industry figure, and the road runs through the northern part of the city near Lake Hefner.
ZIP Code 73156 supports both business and residential activity. According to the Business Census (2024), there are 14 business establishments, employing about 156 people with an annual payroll of $5,060,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,014Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 14Source: CBP |
| 1st Quarter Payroll: | $1,180,000Source: CBP |
| Annual Payroll: | $5,060,000Source: CBP |
| # of Employees: | 156Source: CBP |
ZIP Code 73156 is located in Oklahoma County, Oklahoma, within the Oklahoma City, OK Metropolitan Statistical Area (CBSA 36420) and Oklahoma's 5th Congressional District. This Metro area has a population of 1,252,987 people, about 0.00% of whom live in ZIP Code 73156. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Oklahoma City, OKSource: Census |
| CBSA Number: | 36420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 1,252,987Source: Census |
| MSA: | Oklahoma City, OK MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 05Source: USPS |
| Congressional Land Area: | 2073.9 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4055000Source: Census |
| Place Name: | Oklahoma City city; OklahomaSource: Census |
We could not locate which school district 73156 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 February 1, 2026.