All List of zip code Darien area? us Darien city Post Office Details

Updated: 07-07-2025

Find all Zip Code under city Darien area us

List of Zip Codes Darien, us Location
City	Zip Code	State	County	Country
Darien	6820	CT	Fairfield	United States
Darien	31305	GA	Mcintosh	United States
Darien	53114	WI	Rock	United States
Darien	60561	IL	Dupage	United States

USPS is operated by an 11-person Board of Governors, which resembles the board of directors of a public corporation - the Postmaster General, his deputy (currently vacant), and nine governors appointed by the President and approved by the Senate for seven-year terms.

Check Details Area Darien Postal Code.

Darien Area Zip Code is 6820 State CT County Fairfield, United States.
Darien Area Zip Code is 31305 State GA County Mcintosh, United States.
Darien Area Zip Code is 53114 State WI County Rock, United States.
Darien Area Zip Code is 60561 State IL County Dupage, United States.

United States Postal Service

The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.

What does the US Postal Service do?

The Postal Service provides mail processing and delivery services to individuals and businesses in the U.S.

Who owns and runs the US Postal Service?

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Why was the US Postal Service created?

Making sure that the mail was delivered as quickly and dependably as possible was critical to the colonies' survival. That's why three months after the battles of Lexington and Concord, the Continental Congress turned to Benjamin Franklin to establish a national post service as the first Postmaster General.

Why postal is important?

An efficient postal service, in addition to promoting national cohesion, provides an essential infrastructure for the expansion of industry and commerce. Postal money transfer and savings services are particularly valuable in developing economies, where banking facilities are limited.