Updated: 07-07-2025
Old Greenwich (CT) zip Code is 06870, Postal Code details. Old Greenwich is located in state CT, United States.
ZIP code 06870 is located in Old Greenwich CT in the United States.
Postal Code United States Zip Code 06870 Latest update Old Greenwich, CT |
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| Zip Code / Postal Code | 06870 | |||
City |
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State Code |
CT |
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County |
Fairfield, United States |
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Postal Locations |
Old Greenwich, CT - Zip Code is - 06870 |
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Postal |
United States Postal Service USPS Link |
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Delivery Type |
Package Delivery and first class mail. |
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The zip code 06870 is an essential part of the postal system in Old Greenwich, CT. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Old Greenwich has a lot to offer.