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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/21634

21634

ZIP 21634 is Fishing Creek, Maryland, in Dorchester County; area codes 667 and 410; Eastern time.

Type
Standard
Time zone
America/New_York
County
Dorchester
Metro area
Cambridge, MD
Population
465
Coordinates
38.2859, -76.1943
☼ Live from 21634 — Fishing Creek, MD

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Where 21634 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 21634
  • 🔢 Type 21634 into a pocket calculator and turn it upside down: hEgIZ — not quite a word, sorry.
  • ➕ As a number, 21,634 = 2 × 29 × 373. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010010000010
  • 🏠 Its numerical neighbours: 21632 (Federalsburg, MD, 38 mi away) and 21635 (Galena, MD, 75 mi away).
  • 🔄 Backwards, 21634 becomes 43612 — and that is a real ZIP code: Toledo, OH, 456 miles away.
  • 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 64132 in Kansas City, MO, 990 miles away.
  • 🧭 Farther south than 56% of all ZIP codes, and farther east than 84%.
  • 🎯1,203 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21634 and you would come out at 38.29°S, 103.81°E — 809 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
  • 📏 At 4.5 square miles of land, 21634 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 21634 today
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🌋 Shake report
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Source: USGS.

People and housing

Population465This ZIP465
Households161This ZIP161
Housing units323This ZIP323
Median age38.4This ZIP38.4Maryland39.4US 38.9
Median household income$83,250This ZIP$83,250Maryland$103,678US $80,734
Median home value$232,300This ZIP$232,300Maryland$419,900US $332,700
Bachelor's degree or higher23.1%This ZIP23.1%
Mean commute18.1 minThis ZIP18.1 min
Population density102.9 / sq miThis ZIP102.9 / sq mi

Business and tax activity

Business establishments11This ZIP11
Employees74This ZIP74
Annual payroll$7,487,000This ZIP$7,487,000
Tax returns filed280This ZIP280
Total adjusted gross income$11,310,000This ZIP$11,310,000

Land area

Land area4.52 sq miThis ZIP4.52 sq mi
Water area8.30 sq miThis ZIP8.30 sq mi

Other place names in 21634

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

ZIP codes near 21634

ZIPCityDistance
21675 Wingate, MD 5.7 mi
21672 Toddville, MD 7.7 mi
21626 Crapo, MD 7.9 mi
21627 Crocheron, MD 8.8 mi
21622 Church Creek, MD 9.1 mi
20670 Patuxent River, MD 11.6 mi
20628 Dameron, MD 12.1 mi
21677 Woolford, MD 12.9 mi
20653 Lexington Park, MD 13.2 mi
21669 Taylors Island, MD 13.3 mi

Find every ZIP code within 10 miles of 21634 →

Questions about this ZIP code

Where is ZIP code 21634?

21634 is in Fishing Creek, Maryland, in Dorchester County, part of the Cambridge, MD micropolitan area. Its published point location is 38.2859, -76.1943.

What county is 21634 in?

21634 lies in Dorchester County.

What area code is 21634?

Fishing Creek uses area codes 667 and 410, from NANPA's telephone records.

What time zone is 21634 in?

21634 uses America/New_York.

How many people live in 21634?

About 465 people live in ZIP code 21634, in 161 households, at 102.9 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 21634?

$83,250 a year, against $103,678 across Maryland.

What ZIP codes are near 21634?

The closest are 21675 (5.7 mi), 21672 (7.7 mi), 21626 (7.9 mi), 21627 (8.8 mi) and 21622 (9.1 mi).

Is 21634 a PO Box ZIP code?

21634 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “21634 ZIP Code — Fishing Creek, Maryland (Dorchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21634

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