| City: | New Haven, Connecticut |
| Names to Avoid: | N Haven |
| Planning Region: | South Central Ct Planning Region |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:13:00 PM |
| Population: | No Population Data |
| Area Codes: | 203 / 475 |
| Classification: | PO Box |
| Coordinates: | 41.3083, -72.9287 |
| Quick Link: |
The post office at this location maintains 2 PO Boxes and processes mail for 10 businesses. Chapel Street runs through the heart of downtown New Haven, home to Yale University and the city's central business district. Most residents and businesses in this area receive mail through the neighboring ZIP code 06510, which handles standard street delivery for the broader downtown region. The 06521 designation exists primarily for PO Box customers who prefer centralized mail pickup in the city center.
Chapel Street is the only street in this ZIP code. It's one of downtown New Haven's main thoroughfares, running through the central business district and Yale University campus. The presence of only one street with unit-based addressing reflects this ZIP's specialized function serving a concentrated urban area.
ZIP Code 06521 is designated for PO Box delivery only; business establishment and employment data are not available.
| # 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 06521 is located in South Central Ct Planning Region, Connecticut, within the New Haven, CT Metropolitan Statistical Area (CBSA 35300) and Connecticut's 3rd Congressional District. This Metro area has a population of 566,803 people, about 0.00% of whom live in ZIP Code 06521. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New Haven, CTSource: Census |
| CBSA Number: | 35300Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 566,803Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 470.34 sq miSource: Census |
| PMSA: | Waterbury, CT PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0952000Source: Census |
| Place Name: | New Haven city; ConnecticutSource: Census |
We could not locate which school district 06521 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.