| City: | New Haven, Connecticut |
| Names to Avoid: | N Haven |
| Planning Region: | South Central Ct Planning Region |
| Timezone: | Eastern (GMT -05:00)%> |
| Local Time: | 10:12:27 PM |
| Population: | No Population Data |
| Area Codes: | 203 / 475 |
| Classification: | PO Box |
| Coordinates: | 41.3083, -72.9287 |
| Quick Link: |
The post office maintains one city carrier route covering Chapel Street, where 17 delivery points receive standard street service. The PO Box component exists alongside this street delivery rather than replacing it. People in this part of New Haven aren't limited to PO Boxes; they have the option of either service method depending on their needs.
This ZIP serves exclusively Chapel Street, one of downtown New Haven's central corridors, with delivery points that include unit-based addresses.
ZIP Code 06503 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: | 19Source: 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 06503 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 06503. 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 06503 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.