| City: | Buffalo, New York |
| County: | Erie County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:00:38 PM |
| Population: | No Population Data |
| Area Codes: | 624 / 716 |
| Classification: | PO Box |
| Coordinates: | 42.8885, -78.8246 |
| Quick Link: |
The facility sits within Buffalo's East Side, specifically the Broadway-Fillmore neighborhood, but residents in this area receive mail through ZIP code 14206. That's the standard sibling ZIP that provides street delivery to the surrounding community. The processing center operates as a separate postal entity, handling mail sorting and distribution for the broader Buffalo region.
All 66 named addresses in this ZIP belong to USPS departments. These include operational units like the Vehicle Maintenance Facility, Carrier Academy, and Customer Service Operations, plus administrative offices for human resources, finance, and marketing. The building also houses specialized sections like the Inspection Service, Medical Unit, and Employee Assistance Program. William Street is the only street address, with 233 delivery records tied to different rooms, units, and departmental mailstops within the postal complex.
Businesses and individuals can rent PO Boxes at this location, which explains the 426 boxes despite zero residential population. Some prefer the central Buffalo location for business mail, while others use it as a consistent mailing address that doesn't change with moves. The facility's primary function, though, is processing and distributing mail rather than serving as a community post office.
Only one street exists in this ZIP: William Street, which is the address of Buffalo's main postal processing center. All 233 delivery records represent different departments, rooms, and mailstops within the facility rather than separate buildings.
ZIP Code 14240 supports both business and residential activity. According to the Business Census (2024), there are 12 business establishments, employing about 1,358 people with an annual payroll of $188,490,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 927Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 12Source: CBP |
| 1st Quarter Payroll: | $79,261,000Source: CBP |
| Annual Payroll: | $188,490,000Source: CBP |
| # of Employees: | 1,358Source: CBP |
ZIP Code 14240 is located in Erie County, New York, within the Buffalo-Cheektowaga, NY Metropolitan Statistical Area (CBSA 15380) and New York's 26th Congressional District. This Metro area has a population of 1,135,509 people, about 0.00% of whom live in ZIP Code 14240. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Buffalo-Cheektowaga, NYSource: Census |
| CBSA Number: | 15380Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 1,135,509Source: Census |
| MSA: | Buffalo-Niagara Falls, NY MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 26Source: USPS |
| Congressional Land Area: | 219.13 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3611000Source: Census |
| Place Name: | Buffalo city; New YorkSource: Census |
We could not locate which school district 14240 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.