Masons Island zip code
Zip code in Masons Island, CT
The location Masons Island belongs to New London County, state of Connecticut. Masons Island has been assigned with the zip code 06355.
The location name Masons Island is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Mystic, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 06355 | STANDARD | 11,610 |
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