List of 45 Zip Codes in Howard County, Maryland

On this page, we'll list out the 45 Howard County, Maryland ZIP codes we have, including the land area and county name of each code.

Maryland is the 42nd largest state by total land area, with a land area of 12,406 square miles (32,131 square kilometers) and has a total population of 6,037,624 people as of the most recent U.S. Census survey.

Howard County makes up approximately 6.44% of the total land area for Maryland and we have 45 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

More Counties in Maryland

If you want to search and find zip codes for different counties in Maryland, the list below contains links to each of the 25 Maryland counties we have data for.

• Allegany County
• Anne Arundel County
• Baltimore city
• Baltimore County
• Calvert County
• Caroline County
• Carroll County
• Cecil County
• Charles County
• Dorchester County
• Frederick County
• Garrett County
• Harford County
• Howard County
• Kent County
• Montgomery County
• New Castle County
• Prince George's County
• Queen Anne's County
• Somerset County
• St. Mary's County
• Talbot County
• Washington County
• Wicomico County
• Worcester County

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

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