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Where 02203 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 02203 into a pocket calculator and turn it upside down: EOZZO — not quite a word, sorry.
- ➕ 02203 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 7, a total 150 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100010011011 - 🏠 Its numerical neighbours: 02201 (Boston, MA, 0 mi away) and 02204 (Boston, MA, 7 mi away).
- 🔄 Backwards, 02203 becomes 30220 — and that is a real ZIP code: Grantville, GA, 979 miles away.
- 👥 11 other ZIP codes are made of exactly the same digits (02032, 02302, 03220, 20032, 20203, 20230, …). The farthest-flung twin is 30220 in Grantville, GA, 979 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther east than 96%.
- 🎯1,437 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 02203 and you would come out at 42.36°S, 108.94°E — 813 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 04m.
- 📏 At 0.010 square miles of land, 02203 is bigger than 0% of ZIP codes — about 5 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 20This ZIP20 |
| Annual payroll | $1,443,000This ZIP$1,443,000 |
Land area
| Land area | 0.01 sq miThis ZIP0.01 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 02203
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 02203
| ZIP | City | Distance |
|---|---|---|
02112 | Boston, MA | 0.2 mi |
02196 | Boston, MA | 0.2 mi |
02201 | Boston, MA | 0.2 mi |
02211 | Boston, MA | 0.2 mi |
02212 | Boston, MA | 0.2 mi |
02241 | Boston, MA | 0.2 mi |
02266 | Boston, MA | 0.2 mi |
02293 | Boston, MA | 0.2 mi |
02297 | Boston, MA | 0.2 mi |
02117 | Boston, MA | 0.2 mi |
Find every ZIP code within 10 miles of 02203 →
Questions about this ZIP code
Where is ZIP code 02203?
02203 is in Boston, Massachusetts, in Suffolk County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.3614, -71.0595.
What county is 02203 in?
02203 lies in Suffolk County.
What area code is 02203?
Boston uses area codes 617 and 857, from NANPA's telephone records.
What time zone is 02203 in?
02203 uses America/New_York.
How many people live in 02203?
About 0 people live in ZIP code 02203. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 02203?
The closest are 02112 (0.2 mi), 02196 (0.2 mi), 02201 (0.2 mi), 02211 (0.2 mi) and 02212 (0.2 mi).
Is 02203 a PO Box ZIP code?
02203 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “02203 ZIP Code — Boston, Massachusetts (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02203
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/02203.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.