New Haven, CT ZIP Codes, Area Codes and Address Format
New Haven sits in New Haven County, Connecticut. It uses 5 standard ZIP codes and the 203 and 475 area codes.
- State
- Connecticut (CT)
- County
- New Haven County
- Standard ZIP codes
- 5
- Time zone
- Eastern
New Haven ZIP codes
These are the standard delivery ZIP codes for New Haven. The city has 26 ZIP codes in total when PO Box and unique codes are included.
- 06510
- 06511
- 06513
- 06515
- 06519
Area codes in New Haven
New Haven phone numbers use 203 and 475. With more than one code in use, residents on the same street can have different area codes.
Sample New Haven addresses
Kevin Allen
7398 Valley Ave
New Haven, CT 06511
Sarah Green
1825 Laurel Way Unit 40A
New Haven, CT 06511
The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.
How to write an address in New Haven
- End the address with NEW HAVEN, CT and the five-digit ZIP code.
- Put apartment or suite numbers at the end of the street line.
- Use USPS abbreviations such as ST, AVE and BLVD.
- Match the ZIP code to the street. New Haven has 5 codes, so the city name alone is not enough.
Other cities in New Haven County
More Connecticut cities
Danbury, Norwalk, West Hartford, East Hartford, New Britain, or see all Connecticut cities.
Need test addresses in New Haven? Generate as many as you need, with real ZIP codes and local area codes.
Generate New Haven addresses