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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/21850

21850

ZIP 21850 is Pittsville, Maryland, in Wicomico County; area codes 410, 443 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Wicomico
Metro area
Salisbury, MD
Population
3,850
Coordinates
38.3617, -75.3971
☼ Live from 21850 — Pittsville, MD

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Local time: —

Where 21850 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 21850
  • 🔢 Type 21850 into a pocket calculator and turn it upside down: OSBIZ — not quite a word, sorry.
  • ➕ As a number, 21,850 = 2 × 5 × 5 × 19 × 23. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010101011010
  • 🏠 Its numerical neighbours: 21849 (Parsonsburg, MD, 3 mi away) and 21851 (Pocomoke City, MD, 21 mi away).
  • 🔄 Backwards, 21850 becomes 05812, which is not a ZIP code at all.
  • 👥 65 other ZIP codes are made of exactly the same digits (01258, 01825, 01852, 02185, 02815, 05821, …). The farthest-flung twin is 85021 in Phoenix, AZ, 2,065 miles away.
  • 🧭 Farther south than 56% of all ZIP codes, and farther east than 86%.
  • 🎯1,244 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21850 and you would come out at 38.36°S, 104.60°E — 774 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 29m.
  • 📏 At 28.1 square miles of land, 21850 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
🌙 The sky over 21850 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,850This ZIP3,850
Households1,609This ZIP1,609
Housing units1,693This ZIP1,693
Median age43.5This ZIP43.5Maryland39.4US 38.9
Median household income$79,665This ZIP$79,665Maryland$103,678US $80,734
Median home value$234,500This ZIP$234,500Maryland$419,900US $332,700
Median gross rent$748This ZIP$748Maryland$1,705US $1,413
Bachelor's degree or higher15.6%This ZIP15.6%
Mean commute27.0 minThis ZIP27.0 min
Population density137.1 / sq miThis ZIP137.1 / sq mi

Business and tax activity

Business establishments45This ZIP45
Employees297This ZIP297
Annual payroll$13,382,000This ZIP$13,382,000
Tax returns filed1,570This ZIP1,570
Total adjusted gross income$88,693,000This ZIP$88,693,000

Land area

Land area28.08 sq miThis ZIP28.08 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 21850

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

ZIP codes near 21850

ZIPCityDistance
21852 Powellville, MD 2.6 mi
21849 Parsonsburg, MD 3.2 mi
21874 Willards, MD 3.3 mi
21872 Whaleyville, MD 6.5 mi
21804 Salisbury, MD 8.0 mi
21875 Delmar, MD 9.7 mi
21811 Berlin, MD 9.9 mi
21862 Showell, MD 10.2 mi
21841 Newark, MD 11.4 mi
21863 Snow Hill, MD 12.0 mi

Find every ZIP code within 10 miles of 21850 →

Questions about this ZIP code

Where is ZIP code 21850?

21850 is in Pittsville, Maryland, in Wicomico County, part of the Salisbury, MD metropolitan area. Its published point location is 38.3617, -75.3971.

What county is 21850 in?

21850 lies in Wicomico County.

What area code is 21850?

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

What time zone is 21850 in?

21850 uses America/New_York.

How many people live in 21850?

About 3,850 people live in ZIP code 21850, in 1,609 households, at 137.1 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 21850?

$79,665 a year, against $103,678 across Maryland.

What ZIP codes are near 21850?

The closest are 21852 (2.6 mi), 21849 (3.2 mi), 21874 (3.3 mi), 21872 (6.5 mi) and 21804 (8 mi).

Is 21850 a PO Box ZIP code?

21850 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21850 ZIP Code — Pittsville, Maryland (Wicomico County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21850

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