ZIP code · Medford · Massachusetts · United States

ZIP code 02155 — Medford

ZIP code 02155 serves Medford, Massachusetts.

Postal code
02155
Single source Value from one source, not cross-checked.
City
Medford
County
Middlesex FIPS 25017
State
Massachusetts
Country
United States
Coordinates
42.4173, -71.1087 — precision precise (locality)
View on OpenStreetMap
Population
61,276 (ZCTA, ACS 5-year)
Population density
7,483 / sq mi
Land area
8.2 sq mi (21.2 km²) (ZCTA, ACS 5-year)
Median household income
$118,403
Per-capita income
$59,655
Median age
35
Households
24,586
Housing units
25,893
Median home value
$715,500
Median gross rent
$2,483 / month
Congressional districts
MA-5 (also MA-7) (119th Congress)
USDA hardiness zone
6b (-5 to 0 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
781, 339
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 82°F), coldest Jan (avg low 23°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F373946566776828073625242
Avg low °F232531415060666558483829
Precip in3.43.24.23.63.33.93.33.23.64.03.74.3

NOAA 1991–2020 climate normals from the nearest station: BOSTON LOGAN INTL AP (6.3 mi) · NOAA NCEI

Places in ZIP 02155

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page