List of 18 Zip Codes in Middlesex County, Connecticut

On this page, we'll list out the 18 Middlesex County, Connecticut ZIP codes we have, including the land area and county name of each code.

Connecticut is the 48th largest state by total land area, with a land area of 5,543 square miles (14,356 square kilometers) and has a total population of 3,570,549 people as of the most recent U.S. Census survey.

Middlesex County makes up approximately 6.94% of the total land area for Connecticut and we have 18 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

More Counties in Connecticut

If you want to search and find zip codes for different counties in Connecticut, the list below contains links to each of the 8 Connecticut counties we have data for.

• Fairfield County
• Hartford County
• Litchfield County
• Middlesex County
• New Haven County
• New London County
• Tolland County
• Windham County

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

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