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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/21838

21838

ZIP 21838 is Marion Station, Maryland, in Somerset County; area codes 410 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Somerset
Metro area
Salisbury, MD
Population
1,873
Coordinates
38.0179, -75.7379
☼ Live from 21838 — Marion Station, MD

Weather right now

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Where 21838 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 21838
  • 🔢 Type 21838 into a pocket calculator and turn it upside down: BEBIZ — not quite a word, sorry.
  • ➕ As a number, 21,838 = 2 × 61 × 179. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010101001110
  • 🏠 Its numerical neighbours: 21837 (Mardela Springs, MD, 30 mi away) and 21840 (Nanticoke, MD, 18 mi away).
  • 🔄 Backwards, 21838 becomes 83812 — and that is a real ZIP code: Clarkia, ID, 2,130 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (12838, 12883, 18328, 18823, 18832, 23188, …). The farthest-flung twin is 83821 in Coolin, ID, 2,162 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther east than 85%.
  • 🎯1,231 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21838 and you would come out at 38.02°S, 104.26°E — 778 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 31m.
  • 📏 At 54.9 square miles of land, 21838 is bigger than 62% of ZIP codes — room for about 42 Central Parks.
🌙 The sky over 21838 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population1,873This ZIP1,873
Households715This ZIP715
Housing units917This ZIP917
Median age44.6This ZIP44.6Maryland39.4US 38.9
Median household income$88,438This ZIP$88,438Maryland$103,678US $80,734
Median home value$202,400This ZIP$202,400Maryland$419,900US $332,700
Median gross rent$1,073This ZIP$1,073Maryland$1,705US $1,413
Bachelor's degree or higher14.8%This ZIP14.8%
Mean commute27.5 minThis ZIP27.5 min
Population density34.1 / sq miThis ZIP34.1 / sq mi

Business and tax activity

Business establishments24This ZIP24
Employees441This ZIP441
Annual payroll$15,297,000This ZIP$15,297,000
Tax returns filed790This ZIP790
Total adjusted gross income$47,823,000This ZIP$47,823,000

Land area

Land area54.85 sq miThis ZIP54.85 sq mi
Water area6.74 sq miThis ZIP6.74 sq mi

ZIP codes near 21838

ZIPCityDistance
21857 Rehobeth, MD 4.3 mi
21817 Crisfield, MD 5.9 mi
21871 Westover, MD 6.1 mi
21836 Manokin, MD 6.8 mi
23426 Sanford, VA 6.9 mi
21867 Upper Fairmount, MD 7.1 mi
23427 Saxis, VA 8.2 mi
23488 Withams, VA 9.0 mi
23399 Jenkins Bridge, VA 9.6 mi
23409 Mears, VA 9.9 mi

Find every ZIP code within 10 miles of 21838 →

Questions about this ZIP code

Where is ZIP code 21838?

21838 is in Marion Station, Maryland, in Somerset County, part of the Salisbury, MD metropolitan area. Its published point location is 38.0179, -75.7379.

What county is 21838 in?

21838 lies in Somerset County.

What area code is 21838?

Marion Station uses area codes 410 and 667, from NANPA's telephone records.

What time zone is 21838 in?

21838 uses America/New_York.

How many people live in 21838?

About 1,873 people live in ZIP code 21838, in 715 households, at 34.1 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 21838?

$88,438 a year, against $103,678 across Maryland.

What ZIP codes are near 21838?

The closest are 21857 (4.3 mi), 21817 (5.9 mi), 21871 (6.1 mi), 21836 (6.8 mi) and 23426 (6.9 mi).

Is 21838 a PO Box ZIP code?

21838 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21838 ZIP Code — Marion Station, Maryland (Somerset County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21838

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