| City: | Pittsburgh, Pennsylvania |
| Names to Avoid: | Mellon Bank |
| County: | Allegheny County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 3:16:23 PM |
| Population: | No Population Data |
| Area Codes: | 412 / 724 / 878 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.4409, -79.9963 |
| Quick Link: |
Mellon Bank operations utilized dedicated ZIP code 15257 in Allegheny County's Highland Park neighborhood in Pittsburgh's East End. The Mellon banking dynasty transformed Pittsburgh's financial landscape from its 1870 founding through its 2007 merger with Bank of New York. Andrew Mellon, son of founder Thomas Mellon, served as U.S. Secretary of the Treasury from 1921 to 1932 and used Mellon Bank to help finance major Pittsburgh industries including Alcoa, Gulf Oil, and Westinghouse. The postal designation has served this area for more than two decades.
Postal records identify 2 ZIP+4 codes routing to this designation with 11 business delivery points. The relatively higher business delivery count suggests this ZIP served a more active operational function within Mellon's Pittsburgh network. Census demographic data is not available for this commercial designation. Pittsburgh is the valid mailing city.
| Residential: | 0 |
| Business: | 11 |
ZIP Code 15257 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 11Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 15257 is located in Allegheny County, Pennsylvania, within the Metropolitan Statistical Area (CBSA ) and Pennsylvania's 12nd Congressional District. This area has a population of 2,356,285 people, about 0.00% of whom live in ZIP Code 15257. 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: | 2,356,285Source: Census |
| MSA: | Pittsburgh, PA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 12Source: USPS |
| Congressional Land Area: | 2163.03 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 15257 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.