What to know about ZIP 02203
ZIP code 02203 covers Boston, MA in Suffolk County.
It sits in telephone area codes 617, 857; U.S. House district MA-8; the BOSTON (MANCHESTER) media market.
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Boston city, MA
ZIP Code 02203 — Boston city, MA Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Snow Area
Map, Quick Facts & Location
Quick Facts
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At a glance
Overview of ZIP Code 02203
UniversityUniversity / college area
Local search focus: University
Boston, MA sits in a university / college context (near sattler college (0.2 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Boston city, MA as Relatively Moderate (composite score 93.5), which is among the highest nationally. The strongest component scores on US5 are flood (94.7) and hurricane (93.7). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.
Climate normals for Boston city, MA show little to no average snow and around 43.6 inches of annual precipitation.
Nearby (from this ZIP)
Airport BOS (2.6 miles (4.2 km)) · Sattler College (0.2 miles (0.3 km)) · Boston African American National Historic Site (0.5 miles (0.8 km)) · VA: Boston Regional Benefit Office (0.1 miles (0.2 km))
Full lists and map pins are in the Infrastructure section below.