| City: | Pittsburgh, Pennsylvania |
| City Alias: | Pgh Int Arprt |
| County: | Allegheny County |
| Timezone: | Eastern (GMT -05:00)%> |
| Local Time: | 9:07:26 PM |
| Population: | No Population Data |
| Area Codes: | 412 / 724 |
| Classification: | PO Box |
| Coordinates: | 40.4868, -80.2675 |
| Quick Link: |
ZIP code 15231 serves Pittsburgh International Airport, the primary commercial airport for western Pennsylvania. This isn't a residential community. It's an airport facility ZIP code handling mail for 77 business establishments that employ 2,906 workers.
The street addresses tell the airport story: Airport Boulevard holds the most delivery points with 7 records, followed by Halverson Drive (5), Cargo Road (4), and Tower Road (3). Other addresses include Fire Rescue Lane, Concourse D, Hangar Road, and Rental Car Road. These aren't typical town streets. They're the operational addresses for airlines, cargo handlers, rental car companies, airport authority offices, and support services.
Mail delivery uses a mixed pattern with both city carrier routes (2 routes serving 15 addresses) and rural carrier routes (1 route serving 24 addresses) across the airport's 4.06 square mile footprint. There are no PO Boxes at this location. Business mail goes directly to facility addresses.
The alias "PGH INT ARPRT" was added to the postal database in March 2006 as an alternative mailing name. Standard Pittsburgh addresses also work for this ZIP code, which is classified as PO Box type despite having only street delivery. This reflects the airport's specialized mail handling setup rather than traditional residential postal service.
Street names identify airport operations: passenger terminals, cargo facilities, maintenance areas, and support services.
ZIP Code 15231 supports both business and residential activity. According to the Business Census (2024), there are 91 business establishments, employing about 3,200 people with an annual payroll of $189,476,000. USPS data shows 0 residential mailboxes and 50 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 50Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 91Source: CBP |
| 1st Quarter Payroll: | $44,786,000Source: CBP |
| Annual Payroll: | $189,476,000Source: CBP |
| # of Employees: | 3,200Source: CBP |
ZIP Code 15231 is located in Allegheny County, Pennsylvania, within the Pittsburgh, PA Metropolitan Statistical Area (CBSA 38300) and Pennsylvania's 17th Congressional District. This Metro area has a population of 2,356,285 people, about 0.00% of whom live in ZIP Code 15231. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Pittsburgh, PASource: Census |
| CBSA Number: | 38300Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 2,356,285Source: Census |
| MSA: | Pittsburgh, PA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 17Source: USPS |
| Congressional Land Area: | 1733.22 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4261000Source: Census |
| Place Name: | Pittsburgh city; PennsylvaniaSource: Census |
We could not locate which school district 15231 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 March 1, 2026.