Frequently Asked Questions About ZIP Code 21105
FAQs and quick facts about ZIP Code 21105
1
What region of the U.S. is ZIP Code 21105 associated with?
The 21105 ZIP Code is primarily associated with Maryland Line, MD in the United States.
2
What U.S. county is ZIP Code 21105 located in?
The 21105 ZIP Code is located in Baltimore County in the state of Maryland.
3
What type of ZIP Code is 21105?
The U.S. ZIP Code 21105 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. 21105, are dedicated solely to delivery of mail to P.O. Boxes.
4
What are demographics for ZIP Code 21105?
A ZIP Code must be a standard U.S. ZIP Code to have demographics data available. Because ZIP Code 21105 is a P.O. Box-only ZIP Code, demographics data is not available.
Other Maryland ZIP Code FAQs
