Southeastern Connecticut County, Connecticut ZIP Codes
- ZIP records
33 - Cities represented
33 - Sum of listed ZIP population estimates
281,371
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 06360 | Norwich | 37,216 |
| 2 | 06340 | Groton | 29,863 |
| 3 | 06320 | New London | 27,703 |
| 4 | 06226 | Willimantic | 19,344 |
| 5 | 06415 | Colchester | 16,038 |
| 6 | 06385 | Waterford | 15,966 |
| 7 | 06351 | Jewett City | 15,760 |
| 8 | 06355 | Mystic | 12,173 |
| 9 | 06357 | Niantic | 11,332 |
| 10 | 06382 | Uncasville | 10,143 |
Cities in Southeastern Connecticut County
- Baltic
- Bozrah
- Colchester
- East Lyme
- Gales Ferry
- Gilman
- Groton
- Hanover
- Jewett City
- Lebanon
- Ledyard
- Mashantucket
- Montville
- Mystic
- New London
- Niantic
- North Franklin
- North Stonington
- North Windham
- Norwich
- Oakdale
- Pawcatuck
- Preston
- Quaker Hill
- Salem
- South Windham
- Stonington
- Taftville
- Uncasville
- Waterford
- Willimantic
- Windham
- Yantic
ZIP Directory
- ZIP 06226
- ZIP 06249
- ZIP 06254
- ZIP 06256
- ZIP 06266
- ZIP 06280
- ZIP 06320
- ZIP 06330
- ZIP 06333
- ZIP 06334
- ZIP 06335
- ZIP 06336
- ZIP 06338
- ZIP 06339
- ZIP 06340
- ZIP 06350
- ZIP 06351
- ZIP 06353
- ZIP 06355
- ZIP 06357
- ZIP 06359
- ZIP 06360
- ZIP 06365
- ZIP 06370
- ZIP 06375
- ZIP 06378
- ZIP 06379
- ZIP 06380
- ZIP 06382
- ZIP 06385
- ZIP 06389
- ZIP 06415
- ZIP 06420
Browse all ZIP data for Connecticut
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.