Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/21252

21252

ZIP 21252 is in Towson, Maryland, in Baltimore County; area codes 410, 443 and 667; Eastern time. Towson has 5 ZIP codes; the others are 21204, 21284, 21285 and 21286.

Type
Standard
Time zone
America/New_York
County
Baltimore
Population
4,865
Coordinates
39.3941, -76.6114
☼ Live from 21252 — Towson, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 21252 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.

★ Weird and wonderful facts about 21252
  • 🔢 Type 21252 into a pocket calculator and turn it upside down: ZSZIZ — not quite a word, sorry.
  • ➕ As a number, 21,252 = 2 × 2 × 3 × 7 × 11 × 23. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101001100000100
  • 🏠 Its numerical neighbours: 21251 (Baltimore, MD, 3 mi away) and 21263 (Baltimore, MD, 8 mi away).
  • 🔄 Backwards, 21252 becomes 25212, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (12225, 12252, 12522, 15222, 21225, 21522, …). The farthest-flung twin is 52221 in Guernsey, IA, 839 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 83%.
  • 🎯1,167 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21252 and you would come out at 39.39°S, 103.39°E — 867 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
  • 📏 At 0.249 square miles of land, 21252 is bigger than 3% of ZIP codes — about 121 football fields.
🌙 The sky over 21252 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,865This ZIP4,865
Households12This ZIP12
Housing units12This ZIP12
Median age20.0This ZIP20.0Maryland39.4US 38.9
Bachelor's degree or higher24.4%This ZIP24.4%
Mean commute18.1 minThis ZIP18.1 min
Population density19,538.2 / sq miThis ZIP19,538.2 / sq mi

Business and tax activity

Business establishments28This ZIP28
Employees419This ZIP419
Annual payroll$7,569,000This ZIP$7,569,000

Land area

Land area0.25 sq miThis ZIP0.25 sq mi
Water area0.00 sq mi

Other place names in 21252

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 21252

ZIPCityDistance
21285 Towson, MD 0.5 mi
21284 Towson, MD 0.7 mi
21204 Towson, MD 1.2 mi
21212 Baltimore, MD 1.9 mi
21139 Riderwood, MD 2.2 mi
21286 Towson, MD 2.4 mi
21239 Baltimore, MD 2.4 mi
21210 Baltimore, MD 2.8 mi
21209 Baltimore, MD 3.0 mi
21022 Brooklandville, MD 3.2 mi

Find every ZIP code within 10 miles of 21252 →

Questions about this ZIP code

Where is ZIP code 21252?

21252 is in Towson, Maryland, in Baltimore County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.3941, -76.6114.

What county is 21252 in?

21252 lies in Baltimore County.

What area code is 21252?

Towson uses area codes 410, 443 and 667, from NANPA's telephone records.

What time zone is 21252 in?

21252 uses America/New_York.

How many people live in 21252?

About 4,865 people live in ZIP code 21252, in 12 households, at 19,538.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 21252?

The closest are 21285 (0.5 mi), 21284 (0.7 mi), 21204 (1.2 mi), 21212 (1.9 mi) and 21139 (2.2 mi).

Is 21252 a PO Box ZIP code?

21252 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21252 ZIP Code — Towson, Maryland (Baltimore County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21252

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