Find the last 4 digits (ZIP+4) for an address in 02478

ZIP 02478, Belmont, MA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 02478 – Belmont, MA

Belmont, Massachusetts · Middlesex County · Eastern time

ZIP code02478
CityBelmont
StateMassachusetts
CountyMiddlesex County
Population27,175
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.65 sq mi
Center (lat, long)42.3953, -71.1803

Area codes in this area

781339

These are the area codes that most often serve ZIP 02478 (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

02479 Waverley · 0.5 mi02476 Arlington · 1.5 mi02471 Watertown · 1.7 mi02477 Watertown · 1.7 mi02475 Arlington Heights · 1.7 mi02472 Watertown · 1.8 mi02452 Waltham · 2 mi02474 Arlington · 2.1 mi

About ZIP 02478

ZIP code 02478 is assigned to Belmont, Massachusetts. It lies in Middlesex County. Its Census area covers about 4.65 square miles of land. The closest neighboring ZIP is 02479 (Waverley), about 0.5 miles away.

Every address in 02478 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