Massachusetts ZIP Codes
United States · 685 codes
Massachusetts has 685 ZIP codes, from 01001 to 05544, serving 685 places in 14 counties. Choose a county to see every code and place.
Countys of Massachusetts
Frequently asked questions
How many ZIP codes are there in Massachusetts?
685 ZIP codes for 685 places in 14 counties.
What is the ZIP code range of Massachusetts?
ZIP codes in Massachusetts run from 01001 to 05544 in this list.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.