ZIP Code 02109 – Boston, MA
Boston, Massachusetts · Suffolk County · Eastern time
| ZIP code | 02109 |
|---|---|
| City | Boston |
| State | Massachusetts |
| County | Suffolk County |
| Population | 3,612 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 0.17 sq mi |
| Center (lat, long) | 42.3669, -71.0504 |
Area codes in this area
These are the area codes that most often serve ZIP 02109 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 02109
ZIP code 02109 is assigned to Boston, Massachusetts. It lies in Suffolk County. Its Census area covers about 0.17 square miles of land. The closest neighboring ZIP is 02113 (Boston), about 0.3 miles away.
Every address in 02109 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources