| City: | New Haven, Connecticut |
| Names to Avoid: | N Haven |
| Planning Region: | South Central Ct Planning Region |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:15:25 PM |
| Population: | No Population Data |
| Area Codes: | 203 / 475 |
| Classification: | PO Box |
| Coordinates: | 41.3083, -72.9287 |
| Quick Link: |
ZIP code 06520 serves downtown New Haven as a PO Box facility with 1,067 boxes and no residential street delivery. The post office at 50 Elm Street handles mail for 378 businesses in Connecticut's second-largest city, from Yale University offices to local retailers and professional services.
This isn't a geographic ZIP code in the traditional sense. Customers who rent boxes here receive their street delivery at standard New Haven ZIPs like 06511, which surrounds this facility. The classification reflects USPS's organizational structure rather than a community boundary.
The facility maintains 322 delivery records along Elm Street, with most boxes configured for unit-style addressing. Business adoption is strong in New Haven's central business district, where companies prefer the security and consistency of PO Box delivery over street addresses.
Only two addresses appear in the ZIP+4 database: 50 Elm Street (the main post office with 321 unit records) and one Smart Locker installation. This reflects the facility's pure PO Box function rather than carrier route territory.
The street list consists almost entirely of the main post office at 50 Elm Street, with one modern Smart Locker installation. This reflects a pure PO Box facility rather than a geographic delivery area.
ZIP Code 06520 supports both business and residential activity. According to the Business Census (2024), there are 10 business establishments, employing about 177 people with an annual payroll of $7,443,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,025Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 10Source: CBP |
| 1st Quarter Payroll: | $1,762,000Source: CBP |
| Annual Payroll: | $7,443,000Source: CBP |
| # of Employees: | 177Source: CBP |
ZIP Code 06520 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 862,477 people, about 0.00% of whom live in ZIP Code 06520. 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: | 862,477Source: 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 06520 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.