Frequently Asked Questions About ZIP Code 20830

FAQs and quick facts on ZIP Code 20830


What region of the U.S. is ZIP Code 20830 associated with?

The 20830 ZIP Code is primarily associated with Olney, MD in the United States.

What U.S. county is ZIP Code 20830 located in?

The 20830 ZIP Code is located in Montgomery County in the state of Maryland.

What type of ZIP Code is 20830?

The U.S. ZIP Code 20830 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. 20830, are dedicated solely to delivery of mail to P.O. Boxes.

What are demographics for ZIP Code 20830?

A ZIP Code must be a standard U.S. ZIP Code to have demographics data available. Because ZIP Code 20830 is a P.O. Box-only ZIP Code, demographics data is not available.