Southeastern Connecticut County ZIP Codes
Connecticut, United States · 36 codes
Southeastern Connecticut County in Connecticut has 36 ZIP codes, from 06226 to 06474, serving 36 places.
ZIP codes in Southeastern Connecticut
| ZIP Code | Places |
|---|---|
| 06226 | Willimantic |
| 06249 | Lebanon |
| 06254 | North Franklin |
| 06256 | North Windham |
| 06266 | South Windham |
| 06280 | Windham |
| 06320 | New London |
| 06330 | Baltic |
| 06335 | Gales Ferry |
| 06336 | Gilman |
| 06338 | Mashantucket |
| 06339 | Ledyard |
| 06340 | Groton |
| 06349 | Groton |
| 06350 | Hanover |
| 06351 | Jewett City |
| 06353 | Montville |
| 06355 | Mystic |
| 06357 | Niantic |
| 06359 | North Stonington |
| 06360 | Norwich |
| 06365 | Preston |
| 06370 | Oakdale |
| 06372 | Old Mystic |
| 06375 | Quaker Hill |
| 06378 | Stonington |
| 06379 | Pawcatuck |
| 06380 | Taftville |
| 06382 | Uncasville |
| 06383 | Versailles |
| 06385 | Waterford |
| 06388 | West Mystic |
| 06389 | Yantic |
| 06415 | Colchester |
| 06420 | Salem |
| 06474 | North Westchester |
Frequently asked questions
What is the ZIP code of Southeastern Connecticut?
Southeastern Connecticut has 36 ZIP codes, from 06226 to 06474. The table lists the places each one serves.
How many places are listed in Southeastern Connecticut County?
36 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.