US location post office
ZIP Code 6438
- Zip Code: 6438
- Official USPS city name: Haddam
- Official USPS State Code: CT
- Official State Name: Connecticut
- ZCTA: TRUE
- Population: 2906.0
- Density: 91.3
- Primary Official County Code: 9007
- Primary Official County Name: Middlesex
- Official County Name: Middlesex
- Official County Code: 9007
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/New_York (05:31 AM Sunday, May 19 2024-05-19 (GMT -0400))
- Geo Point: 41.45705, -72.50352
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