Frequently Asked Questions About ZIP Code 21023

FAQs and quick facts about ZIP Code 21023


What region of the U.S. is ZIP Code 21023 associated with?

The 21023 ZIP Code is primarily associated with Butler, MD in the United States.

What U.S. county is ZIP Code 21023 located in?

The 21023 ZIP Code is located in Baltimore County in the state of Maryland.

What type of ZIP Code is 21023?

The U.S. ZIP Code 21023 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. 21023, are dedicated solely to delivery of mail to P.O. Boxes.

What are demographics for ZIP Code 21023?

A ZIP Code must be a standard U.S. ZIP Code to have demographics data available. Because ZIP Code 21023 is a P.O. Box-only ZIP Code, demographics data is not available.