Frequently Asked Questions About ZIP Code 20604

FAQs and quick facts on ZIP Code 20604


What region of the U.S. is ZIP Code 20604 associated with?

The 20604 ZIP Code is primarily associated with Waldorf, MD in the United States.

What U.S. county is ZIP Code 20604 located in?

The 20604 ZIP Code is located in Charles County in the state of Maryland.

What type of ZIP Code is 20604?

The U.S. ZIP Code 20604 is a P.O. Box-only ZIP Code. P.O. Box-only ZIP Code are those used only for Post Office (P.O.) Boxes at a given USPS facility. Some ZIP Codes, e.g. 20604, are dedicated solely to delivery of mail to P.O. Boxes.

What are demographics for ZIP Code 20604?

A ZIP Code must be a standard U.S. ZIP Code to have demographics data available. Because ZIP Code 20604 is a P.O. Box-only ZIP Code, demographics data is not available.