| City: | New York, New York |
| Names to Avoid: | Manhattan, New York City, Ny, Ny City, Nyc |
| County: | New York County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:20:37 PM |
| Population: | No Population Data |
| Area Codes: | 212 / 332 / 347 / 646 / 718 / 917 / 929 |
| Classification: | PO Box |
| Coordinates: | 40.7143, -74.0067 |
| Quick Link: |
ZIP Code 10156 is a PO Box-only postal designation in Midtown Manhattan, located on East 34th Street. Unlike typical New York City ZIP codes that cover geographic neighborhoods, 10156 exists solely to serve a post office facility. It has zero residential population because it doesn't define a neighborhood. The 272 PO Boxes here serve businesses and individuals who want a Midtown Manhattan mailing address.
The facility sits within the boundaries of ZIP 10001 and serves the surrounding neighborhoods of Chelsea, the Garment District, Hell's Kitchen, and Koreatown. With 216 business delivery points and 9 registered business establishments, this location caters primarily to commercial users. The presence of a "Smart Locker" address indicates modern package pickup technology is available.
Mail addressed to 10156 must use the PO Box format. The street address of 341 E 34th St appears in postal records but only for routing purposes. USPS recognizes several alias names for this ZIP, including Manhattan, NYC, and New York City, though only "New York, NY" is valid for mailing.
Street records show the post office address on East 34th Street and a Smart Locker for automated package pickup.
ZIP Code 10156 supports both business and residential activity. According to the Business Census (2024), there are 9 business establishments, employing about 28 people with an annual payroll of $1,158,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 464Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 9Source: CBP |
| 1st Quarter Payroll: | $284,000Source: CBP |
| Annual Payroll: | $1,158,000Source: CBP |
| # of Employees: | 28Source: CBP |
ZIP Code 10156 is located in New York County, New York, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New York's 12nd Congressional District. This Metro area has a population of 19,756,722 people, about 0.00% of whom live in ZIP Code 10156, and is subdivided into the New York-Jersey City-White Plains, NY-NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | New York-Jersey City-White Plains, NY-NJ (CBSA Div 35614)Source: Census |
| CBSA Population: | 19,756,722Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 12Source: USPS |
| Congressional Land Area: | 14.79 sq miSource: Census |
| PMSA: | New York, NY PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3651000Source: Census |
| Place Name: | New York city; New YorkSource: Census |
We could not locate which school district 10156 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 January 1, 2026.