New London County, Connecticut ZIP codes
38ZIP codes
37Cities and towns
269,636People in ZIP areas
401, 860, 959Area codes
New London 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 London County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 06249 | Lebanon | Standard | 7,116 | $109,135 |
| 06254 | North Franklin | Standard | 2,004 | $105,000 |
| 06320 | New London | Standard | 27,703 | $59,170 |
| 06330 | Baltic | Standard | 3,327 | $98,698 |
| 06333 | East Lyme | Standard | 7,389 | $129,083 |
| 06334 | Bozrah | Standard | 2,249 | $107,969 |
| 06335 | Gales Ferry | Standard | 6,307 | $118,116 |
| 06336 | Gilman | Standard | 44 | $133,750 |
| 06338 | Mashantucket | PO Box only | 27 | $137,500 |
| 06339 | Ledyard | Standard | 9,113 | $106,403 |
| 06340 | Groton | Standard | 29,863 | $81,792 |
| 06349 | Groton | PO Box only | – | – |
| 06350 | Hanover | PO Box only | 121 | $40,950 |
| 06351 | Jewett City | Standard | 15,760 | $82,976 |
| 06353 | Montville | Standard | 439 | – |
| 06355 | Mystic | Standard | 12,173 | $137,425 |
| 06357 | Niantic | Standard | 11,332 | $93,026 |
| 06359 | North Stonington | Standard | 5,160 | $123,938 |
| 06360 | Norwich | Standard | 37,216 | $65,539 |
| 06365 | Preston | Standard | 4,807 | $117,045 |
| 06370 | Oakdale | Standard | 7,327 | $105,700 |
| 06371 | Old Lyme | Standard | 9,828 | $132,045 |
| 06372 | Old Mystic | PO Box only | – | – |
| 06375 | Quaker Hill | Standard | 3,670 | $111,833 |
| 06376 | South Lyme | PO Box only | 89 | $156,000 |
| 06378 | Stonington | Standard | 5,555 | $135,714 |
| 06379 | Pawcatuck | Standard | 9,017 | $95,066 |
| 06380 | Taftville | Standard | 2,757 | $63,452 |
| 06382 | Uncasville | Standard | 10,143 | $89,635 |
| 06383 | Versailles | PO Box only | – | – |
| 06384 | Voluntown | Standard | 2,663 | $106,518 |
| 06385 | Waterford | Standard | 15,966 | $100,484 |
| 06388 | West Mystic | PO Box only | – | – |
| 06389 | Yantic | Standard | – | – |
| 06415 | Colchester | Standard | 16,038 | $123,256 |
| 06420 | Salem | Standard | 4,368 | $123,425 |
| 06439 | Hadlyme | PO Box only | 65 | $187,083 |
| 06474 | North Westchester | PO Box only | – | – |
Cities and towns in New London County
- Groton 2 ZIPs
- Baltic 1 ZIP
- Bozrah 1 ZIP
- Colchester 1 ZIP
- East Lyme 1 ZIP
- Gales Ferry 1 ZIP
- Gilman 1 ZIP
- Hadlyme 1 ZIP
- Hanover 1 ZIP
- Jewett City 1 ZIP
- Lebanon 1 ZIP
- Ledyard 1 ZIP
- Mashantucket 1 ZIP
- Montville 1 ZIP
- Mystic 1 ZIP
- New London 1 ZIP
- Niantic 1 ZIP
- North Franklin 1 ZIP
- North Stonington 1 ZIP
- North Westchester 1 ZIP
- Norwich 1 ZIP
- Oakdale 1 ZIP
- Old Lyme 1 ZIP
- Old Mystic 1 ZIP
- Pawcatuck 1 ZIP
- Preston 1 ZIP
- Quaker Hill 1 ZIP
- Salem 1 ZIP
- South Lyme 1 ZIP
- Stonington 1 ZIP
- Taftville 1 ZIP
- Uncasville 1 ZIP
- Versailles 1 ZIP
- Voluntown 1 ZIP
- Waterford 1 ZIP
- West Mystic 1 ZIP
- Yantic 1 ZIP
Area codes in New London County
Questions
- How many ZIP codes are in New London County, CT?
- New London County has 38 ZIP codes, 29 of them standard ZIP codes for street addresses.
- What cities are in New London County?
- New London County ZIP codes cover Groton, Baltic, Bozrah, Colchester, East Lyme, Gales Ferry, Gilman and Hadlyme and 29 other places.
- What area code is New London County, CT?
- New London County uses area codes 401, 860 and 959.
- What time zone is New London County in?
- New London County is in Eastern Time.