Frequently Asked Questions About ZIP Code 01831

FAQs and quick facts about ZIP Code 01831


What region of the U.S. is ZIP Code 01831 associated with?

The 01831 ZIP Code is primarily associated with Haverhill, MA in the United States.

What U.S. county is ZIP Code 01831 located in?

The 01831 ZIP Code is located in Essex County in the state of Massachusetts.

What type of ZIP Code is 01831?

The U.S. ZIP Code 01831 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. 01831, are dedicated solely to delivery of mail to P.O. Boxes.

What are demographics for ZIP Code 01831?

A ZIP Code must be a standard U.S. ZIP Code to have demographics data available. Because ZIP Code 01831 is a P.O. Box-only ZIP Code, demographics data is not available.