06521 ZIP Code — New Haven, CT
New Haven County, Connecticut
ZIP code 06521 is located in New Haven, Connecticut, within New Haven County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 203/475.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
06521 ZIP code map
Cities in ZIP code 06521
Below are the cities the US Postal Service accepts for ZIP code 06521. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| New Haven | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 09 |
| County FIPS | 009 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 41.3083 |
| Longitude | -72.9287 |
| Timezone | Eastern (ET) |
| Area code | 203/475 |