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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/21146

21146

ZIP 21146 is Severna Park, Maryland, in Anne Arundel County; area codes 410, 443 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Anne Arundel
Population
28,591
Coordinates
39.0791, -76.5587
☼ Live from 21146 — Severna Park, MD

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Local time: —

Where 21146 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 21146
  • 🔢 Type 21146 into a pocket calculator and turn it upside down: ghIIZ — not quite a word, sorry.
  • ➕ As a number, 21,146 = 2 × 97 × 109. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101001010011010
  • 🏠 Its numerical neighbours: 21144 (Severn, MD, 7 mi away) and 21150 (Simpsonville, MD, 23 mi away).
  • 🔄 Backwards, 21146 becomes 64112 — and that is a real ZIP code: Kansas City, MO, 966 miles away.
  • 👥 30 other ZIP codes are made of exactly the same digits (11426, 12164, 12416, 12461, 14126, 14216, …). The farthest-flung twin is 64112 in Kansas City, MO, 966 miles away.
  • 🧭 Farther south than 50% of all ZIP codes, and farther east than 83%.
  • 🎯1,173 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21146 and you would come out at 39.08°S, 103.44°E — 853 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 10.1 square miles of land, 21146 is bigger than 27% of ZIP codes — room for about 7.7 Central Parks.
🌙 The sky over 21146 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population28,591This ZIP28,591
Households9,878This ZIP9,878
Housing units10,315This ZIP10,315
Median age41.5This ZIP41.5Maryland39.4US 38.9
Median household income$172,122This ZIP$172,122Maryland$103,678US $80,734
Median home value$659,800This ZIP$659,800Maryland$419,900US $332,700
Median gross rent$1,733This ZIP$1,733Maryland$1,705US $1,413
Bachelor's degree or higher60.2%This ZIP60.2%
Mean commute28.4 minThis ZIP28.4 min
Population density2,820.2 / sq miThis ZIP2,820.2 / sq mi

Business and tax activity

Business establishments851This ZIP851
Employees8,579This ZIP8,579
Annual payroll$432,507,000This ZIP$432,507,000
Tax returns filed13,650This ZIP13,650
Total adjusted gross income$2,341,817,000This ZIP$2,341,817,000

Land area

Land area10.14 sq miThis ZIP10.14 sq mi
Water area2.47 sq miThis ZIP2.47 sq mi

Other place names in 21146

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

ZIP codes near 21146

ZIPCityDistance
21108 Millersville, MD 3.4 mi
21405 Annapolis, MD 3.6 mi
21012 Arnold, MD 4.1 mi
21032 Crownsville, MD 4.3 mi
21122 Pasadena, MD 4.5 mi
21401 Annapolis, MD 6.3 mi
21056 Gibson Island, MD 6.6 mi
21060 Glen Burnie, MD 6.6 mi
21061 Glen Burnie, MD 6.9 mi
21144 Severn, MD 7.0 mi

Find every ZIP code within 10 miles of 21146 →

Questions about this ZIP code

Where is ZIP code 21146?

21146 is in Severna Park, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.0791, -76.5587.

What county is 21146 in?

21146 lies in Anne Arundel County.

What area code is 21146?

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

What time zone is 21146 in?

21146 uses America/New_York.

How many people live in 21146?

About 28,591 people live in ZIP code 21146, in 9,878 households, at 2,820.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 21146?

$172,122 a year, against $103,678 across Maryland.

What ZIP codes are near 21146?

The closest are 21108 (3.4 mi), 21405 (3.6 mi), 21012 (4.1 mi), 21032 (4.3 mi) and 21122 (4.5 mi).

Is 21146 a PO Box ZIP code?

21146 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21146 ZIP Code — Severna Park, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21146

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