| City: | Butler, Pennsylvania |
| County: | Butler County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:17:08 PM |
| Population: | No Population Data |
| Area Codes: | 412 / 724 |
| Classification: | PO Box |
| Coordinates: | 40.8613, -79.8958 |
| Quick Link: |
ZIP code 16003 serves downtown Butler, Pennsylvania. It's a PO Box ZIP covering less than one acre along South Main Street in Butler County. No residents live within its tiny boundaries, but 17 businesses employ 1,235 workers in the area.
This isn't a PO Box Only Zone. Butler residents can receive mail through street delivery via the city's other ZIP codes, including 16001 and 16002. The 150 PO Boxes here serve businesses and individuals who prefer a downtown mailing address.
All 74 delivery records point to South Main Street, with businesses using unit designators. The post office sits at the commercial heart of Butler, about 35 miles north of Pittsburgh. Nearby municipalities include Economy, Fox Chapel, and Franklin Park, all within the greater Pittsburgh metro area.
All delivery points are on South Main Street in Butler's downtown commercial district.
ZIP Code 16003 supports both business and residential activity. According to the Business Census (2024), there are 16 business establishments, employing about 1,364 people with an annual payroll of $138,083,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 300Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 16Source: CBP |
| 1st Quarter Payroll: | $35,417,000Source: CBP |
| Annual Payroll: | $138,083,000Source: CBP |
| # of Employees: | 1,364Source: CBP |
ZIP Code 16003 is located in Butler County, Pennsylvania, within the Pittsburgh, PA Metropolitan Statistical Area (CBSA 38300) and Pennsylvania's 16th Congressional District. This Metro area has a population of 2,356,285 people, about 0.00% of whom live in ZIP Code 16003. 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: | 16Source: USPS |
| Congressional Land Area: | 997.68 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4210464Source: Census |
| Place Name: | Butler city; PennsylvaniaSource: Census |
We could not locate which school district 16003 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.