New Haven County, Connecticut ZIP codes
78ZIP codes
29Cities and towns
867,469People in ZIP areas
203, 475, 860Area codes
New Haven County is in Connecticut and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in New Haven County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 06401 | Ansonia | Standard | 19,315 | $86,178 |
| 06403 | Beacon Falls | Standard | 6,147 | $101,516 |
| 06405 | Branford | Standard | 28,217 | $105,225 |
| 06408 | Cheshire | Unique | – | – |
| 06410 | Cheshire | Standard | 28,904 | $145,179 |
| 06411 | Cheshire | Unique | – | – |
| 06418 | Derby | Standard | 12,205 | $78,542 |
| 06437 | Guilford | Standard | 22,067 | $137,615 |
| 06443 | Madison | Standard | 17,657 | $168,462 |
| 06450 | Meriden | Standard | 35,694 | $71,250 |
| 06451 | Meriden | Standard | 24,851 | $71,255 |
| 06460 | Milford | Standard | 37,649 | $104,360 |
| 06461 | Milford | Standard | 15,035 | $133,221 |
| 06471 | North Branford | Standard | 7,140 | $109,388 |
| 06472 | Northford | Standard | 6,363 | $105,729 |
| 06473 | North Haven | Standard | 24,743 | $132,829 |
| 06477 | Orange | Standard | 14,315 | $142,325 |
| 06478 | Oxford | Standard | 12,991 | $128,953 |
| 06483 | Seymour | Standard | 16,889 | $107,708 |
| 06487 | South Britain | PO Box only | – | – |
| 06488 | Southbury | Standard | 20,071 | $112,887 |
| 06492 | Wallingford | Standard | 44,498 | $105,061 |
| 06493 | Wallingford | Unique | – | – |
| 06494 | Wallingford | Unique | – | – |
| 06495 | Wallingford | Unique | – | – |
| 06501 | New Haven | PO Box only | – | – |
| 06502 | New Haven | PO Box only | – | – |
| 06503 | New Haven | PO Box only | – | – |
| 06504 | New Haven | PO Box only | – | – |
| 06505 | New Haven | PO Box only | – | – |
| 06506 | New Haven | PO Box only | – | – |
| 06507 | New Haven | PO Box only | – | – |
| 06508 | New Haven | PO Box only | – | – |
| 06509 | New Haven | PO Box only | – | – |
| 06510 | New Haven | Standard | 4,584 | $58,913 |
| 06511 | New Haven | Standard | 54,730 | $59,969 |
| 06512 | East Haven | Standard | 28,830 | $96,146 |
| 06513 | New Haven | Standard | 38,888 | $48,500 |
| 06514 | Hamden | Standard | 26,803 | $88,900 |
| 06515 | New Haven | Standard | 19,006 | $73,709 |
| 06516 | West Haven | Standard | 55,351 | $74,382 |
| 06517 | Hamden | Standard | 14,221 | $104,550 |
| 06518 | Hamden | Standard | 20,126 | $106,692 |
| 06519 | New Haven | Standard | 15,605 | $49,619 |
| 06520 | New Haven | PO Box only | – | – |
| 06521 | New Haven | PO Box only | – | – |
| 06524 | Bethany | Standard | 5,288 | $166,236 |
| 06525 | Woodbridge | Standard | 9,073 | $188,750 |
| 06530 | New Haven | PO Box only | – | – |
| 06531 | New Haven | PO Box only | – | – |
| 06532 | New Haven | PO Box only | – | – |
| 06533 | New Haven | PO Box only | – | – |
| 06534 | New Haven | PO Box only | – | – |
| 06535 | New Haven | PO Box only | – | – |
| 06536 | New Haven | PO Box only | – | – |
| 06537 | New Haven | Unique | – | – |
| 06538 | New Haven | Unique | – | – |
| 06540 | New Haven | Unique | – | – |
| 06701 | Waterbury | Standard | – | – |
| 06702 | Waterbury | Standard | 2,946 | $14,474 |
| 06703 | Waterbury | PO Box only | – | – |
| 06704 | Waterbury | Standard | 31,713 | $48,718 |
| 06705 | Waterbury | Standard | 25,266 | $53,954 |
| 06706 | Waterbury | Standard | 15,551 | $52,242 |
| 06708 | Waterbury | Standard | 29,594 | $67,364 |
| 06710 | Waterbury | Standard | 9,942 | $37,191 |
| 06712 | Prospect | Standard | 9,458 | $126,394 |
| 06716 | Wolcott | Standard | 16,113 | $111,225 |
| 06720 | Waterbury | PO Box only | – | – |
| 06721 | Waterbury | PO Box only | – | – |
| 06722 | Waterbury | PO Box only | – | – |
| 06723 | Waterbury | PO Box only | – | – |
| 06724 | Waterbury | PO Box only | – | – |
| 06725 | Waterbury | PO Box only | – | – |
| 06726 | Waterbury | PO Box only | – | – |
| 06749 | Waterbury | Unique | – | – |
| 06762 | Middlebury | Standard | 7,807 | $133,487 |
| 06770 | Naugatuck | Standard | 31,823 | $96,208 |
Cities and towns in New Haven County
- New Haven 26 ZIPs
- Waterbury 16 ZIPs
- Wallingford 4 ZIPs
- Cheshire 3 ZIPs
- Hamden 3 ZIPs
- Meriden 2 ZIPs
- Milford 2 ZIPs
- Ansonia 1 ZIP
- Beacon Falls 1 ZIP
- Bethany 1 ZIP
- Branford 1 ZIP
- Derby 1 ZIP
- East Haven 1 ZIP
- Guilford 1 ZIP
- Madison 1 ZIP
- Middlebury 1 ZIP
- Naugatuck 1 ZIP
- North Branford 1 ZIP
- North Haven 1 ZIP
- Northford 1 ZIP
- Orange 1 ZIP
- Oxford 1 ZIP
- Prospect 1 ZIP
- Seymour 1 ZIP
- South Britain 1 ZIP
- Southbury 1 ZIP
- West Haven 1 ZIP
- Wolcott 1 ZIP
- Woodbridge 1 ZIP
Area codes in New Haven County
Questions
- How many ZIP codes are in New Haven County, CT?
- New Haven County has 78 ZIP codes, 42 of them standard ZIP codes for street addresses.
- What cities are in New Haven County?
- New Haven County ZIP codes cover New Haven, Waterbury, Wallingford, Cheshire, Hamden, Meriden, Milford and Ansonia and 21 other places.
- What area code is New Haven County, CT?
- New Haven County uses area codes 203, 475, 860 and 959.
- What time zone is New Haven County in?
- New Haven County is in Eastern Time.