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zipcodes.pro — ZIP/21617

21617

ZIP 21617 is Centreville, Maryland, in Queen Anne's County; area codes 667, 410 and 443; Eastern time.

Type
Standard
Time zone
America/New_York
County
Queen Anne's
Population
10,428
Coordinates
39.0494, -76.0445
☼ Live from 21617 — Centreville, MD

Weather right now

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Local time: —

Where 21617 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 21617
  • 🔢 Type 21617 into a pocket calculator and turn it upside down: LIgIZ — not quite a word, sorry.
  • ➕ 21617 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010001110001
  • 🏠 Its numerical neighbours: 21613 (Cambridge, MD, 38 mi away) and 21619 (Chester, MD, 14 mi away).
  • 🔄 Backwards, 21617 becomes 71612 — and that is a real ZIP code: White Hall, AR, 947 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (11726, 11762, 12167, 12176, 16127, 16172, …). The farthest-flung twin is 76121 in Fort Worth, TX, 1,262 miles away.
  • 🧭 Farther south than 50% of all ZIP codes, and farther east than 85%.
  • 🎯1,201 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21617 and you would come out at 39.05°S, 103.96°E — 829 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 108.5 square miles of land, 21617 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
🌙 The sky over 21617 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population10,428This ZIP10,428
Households3,985This ZIP3,985
Housing units4,157This ZIP4,157
Median age41.4This ZIP41.4Maryland39.4US 38.9
Median household income$116,898This ZIP$116,898Maryland$103,678US $80,734
Median home value$483,700This ZIP$483,700Maryland$419,900US $332,700
Median gross rent$1,338This ZIP$1,338Maryland$1,705US $1,413
Bachelor's degree or higher40.6%This ZIP40.6%
Mean commute33.3 minThis ZIP33.3 min
Population density96.1 / sq miThis ZIP96.1 / sq mi

Business and tax activity

Business establishments256This ZIP256
Employees2,147This ZIP2,147
Annual payroll$96,501,000This ZIP$96,501,000
Tax returns filed5,470This ZIP5,470
Total adjusted gross income$556,412,000This ZIP$556,412,000

Land area

Land area108.48 sq miThis ZIP108.48 sq mi
Water area8.71 sq miThis ZIP8.71 sq mi

Other place names in 21617

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

ZIP codes near 21617

ZIPCityDistance
21656 Price, MD 2.7 mi
21690 Chestertown, MD 2.7 mi
21623 Church Hill, MD 6.6 mi
21657 Queen Anne, MD 8.4 mi
21658 Queenstown, MD 9.0 mi
21679 Wye Mills, MD 9.3 mi
21661 Rock Hall, MD 9.9 mi
21644 Ingleside, MD 10.3 mi
21660 Ridgely, MD 10.5 mi
21641 Hillsboro, MD 10.7 mi

Find every ZIP code within 10 miles of 21617 →

Questions about this ZIP code

Where is ZIP code 21617?

21617 is in Centreville, Maryland, in Queen Anne's County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.0494, -76.0445.

What county is 21617 in?

21617 lies in Queen Anne's County.

What area code is 21617?

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

What time zone is 21617 in?

21617 uses America/New_York.

How many people live in 21617?

About 10,428 people live in ZIP code 21617, in 3,985 households, at 96.1 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 21617?

$116,898 a year, against $103,678 across Maryland.

What ZIP codes are near 21617?

The closest are 21656 (2.7 mi), 21690 (2.7 mi), 21623 (6.6 mi), 21657 (8.4 mi) and 21658 (9 mi).

Is 21617 a PO Box ZIP code?

21617 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21617 ZIP Code — Centreville, Maryland (Queen Anne's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21617

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