Darien Zip Code. Web area code(s) 630 and 331: Web darien, ct has only 1 zip code (06820) and a population of 21,499 people.
Darien CT ZIP Code Map
Web find the zip code (s) for darien, a town in fairfield county, connecticut, and its population, area code, timezone, and other. Web area code(s) 630 and 331: Web darien, ct has only 1 zip code (06820) and a population of 21,499 people.
Web area code(s) 630 and 331: Web darien, ct has only 1 zip code (06820) and a population of 21,499 people. Web find the zip code (s) for darien, a town in fairfield county, connecticut, and its population, area code, timezone, and other. Web area code(s) 630 and 331:
