Massachusetts Postal Codes
Massachusetts, United States · 685 ZIP codes · 14 counties
Regions
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Interactive map of zip codes in Massachusetts. Just click on the location you desire for a postal code/address for your mails destination.
How to find a ZIP Code in Massachusetts
Not having the right zip code for your postal mail would mean your letters will not reach their destination. Click the location on the map to find your needed postal code or choose the county in the links above for a list of the zip codes available in Massachusetts.
Massachusetts Postal Code Information
About Massachusetts Postal Codes
Massachusetts uses the US 5-digit ZIP code system to help deliver mail efficiently. Our database covers 685 ZIP codes across 14 counties in Massachusetts. The largest counties by ZIP-code volume include Barnstable, Berkshire, Bristol. Use our lookup tool to find the correct postal code for any address in Massachusetts.
For example, Buzzards Bay in Barnstable County is recorded with the ZIP code 02532. Every county in the list above links to its places and ZIP codes.
How to Use
1. Choose a county from the Regions list above
2. Click the location on the map for a postal code
3. Or use the search box at the top of the page
4. View the exact delivery area on the map
Frequently Asked Questions about Massachusetts ZIP Codes
How do I find a ZIP code in Massachusetts?
Choose a county from the Regions list above to see all its places and ZIP codes, or click any location on the interactive map to get the postal code and full address for that point.
How many ZIP codes are there in Massachusetts?
Our database contains 685 ZIP codes across 14 counties in Massachusetts, sourced from GeoNames.org and OpenStreetMap.
What is the ZIP code format in Massachusetts?
ZIP codes in Massachusetts follow the standard US 5-digit numeric format (or 9 digits with ZIP+4). The first digit represents a group of states.
