Guilford zip code
Zip code in Guilford, CT
The location Guilford belongs to New Haven County, state of Connecticut. Guilford has been assigned with the zip code 06437.
Guilford is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 06437 | STANDARD | 21,010 |
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