ZIP Code 15231 in Pittsburgh, PA

Data Last Updated: March 1, 2026
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:
https://www.zip-codes.com/zip-code/15231/zip-code-15231.asp

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15231 Pittsburgh, PA - Pittsburgh International Airport

ZIP Code 15231, Pittsburgh

Small Town No Census Data
LocationAllegheny County, PA
Area4.1 sq mi
PO Boxes0 No PO Boxes
ZIP CreatedBefore Oct 2004
Key Facts
  • This ZIP code was classified as PO Box only, but actually has only street delivery with no PO Boxes at all
  • Zero residential population but 2,906 employees work at 77 business establishments across the airport facility
  • Street names like Airport Boulevard, Cargo Road, Tower Road, Concourse D, and Hangar Road identify this as Pittsburgh International Airport
  • The alias PGH INT ARPRT was added in March 2006 as an alternative mailing name for the airport
  • Mail delivery covers 4.06 square miles using both city carrier routes (15 addresses) and rural carrier routes (24 addresses)

Airport Facility Overview

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.

How Mail Works at the Airport

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.

Mailing to Airport Businesses

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 Name Patterns

Airport Infrastructure Aviation Facilities

Street names identify airport operations: passenger terminals, cargo facilities, maintenance areas, and support services.

Nearby Areas

Coraopolis Sewickley Sewickley Edgeworth Osborne

Business & Employment Statistics


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

Geography, Land Area, & Statistical Classifications


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

Adjacent & Nearby ZIP Codes


15232 | | 15230

Schools in ZIP Code 15231


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.

Wilson Elementary School 100 Bruno Lane
Imperial, PA 15126
District: West Allegheny School DistrictNearby
Moon Area Shs 8353 University Blvd
Moon Township, PA 15108
District: Moon Area School DistrictNearby
West Allegheny Shs 205 W Allegheny Rd
Imperial, PA 15126
District: West Allegheny School DistrictNearby
West Allegheny Ms 207 W Allegheny Rd
Imperial, PA 15126
District: West Allegheny School DistrictNearby
Moon Area Upper Ms 904 Beaver Grade Road
Moon Township, PA 15108
District: Moon Area School DistrictNearby
Montessori School For Creative Learning 1627 Brodhead Rd
Moon Township, PA 15108
District: Private SchoolNearby
Rhema Christian School 1301 Coraopolis Heights Rd
Coraopolis, PA 15108
District: Private SchoolNearby
St James School 201 Broad St
Sewickley, PA 15143
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 15231


Robert Morris University 6001 University Boulevard
Moon Township, PA 15108-1189
Type: Post Secondary
Pittsburgh Technical College 1111 Mckee Road
Oakdale, PA 15071
Type: Post Secondary
Trinity Episcopal School For Ministry 311 Eleventh St
Ambridge, PA 15003-2397
Type: Post Secondary
Rosedale Technical College 215 Beecham Drive
Pittsburgh, PA 15205-9791
Type: Post Secondary
Heritage Valley Health System School Of Nursing 25 Heckel Rd
Mckees Rocks, PA 15136
Type: Post Secondary
Pennsylvania Gunsmith School 812 Ohio River Blvd
Pittsburgh, PA 15202-2637
Type: Post Secondary

Sources & References


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.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov