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zipcodes.pro — ZIP/20628

20628

ZIP 20628 is Dameron, Maryland, in St. Mary's County; area codes 410, 667 and 443; Eastern time.

Type
Standard
Time zone
America/New_York
County
St. Mary's
Metro area
Lexington Park, MD
Population
503
Coordinates
38.1530, -76.3399
☼ Live from 20628 — Dameron, MD

Weather right now

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Local time: —

Where 20628 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 20628
  • 🔢 Type 20628 into a pocket calculator and turn it upside down: BZgOZ — not quite a word, sorry.
  • ➕ As a number, 20,628 = 2 × 2 × 3 × 3 × 3 × 191. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000010010100
  • 🏠 Its numerical neighbours: 20627 (Compton, MD, 22 mi away) and 20629 (Dowell, MD, 15 mi away).
  • 🔄 Backwards, 20628 becomes 82602 — and that is a real ZIP code: Casper, WY, 1,601 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (02826, 02862, 06282, 08226, 20268, 20682, …). The farthest-flung twin is 86022 in Fredonia, AZ, 1,976 miles away.
  • 🧭 Farther south than 57% of all ZIP codes, and farther east than 84%.
  • 🎯1,197 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20628 and you would come out at 38.15°S, 103.66°E — 811 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 30m.
  • 📏 At 6.5 square miles of land, 20628 is bigger than 22% of ZIP codes — room for about 4.9 Central Parks.
🌙 The sky over 20628 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population503This ZIP503
Households199This ZIP199
Housing units268This ZIP268
Median age35.9This ZIP35.9Maryland39.4US 38.9
Median home value$545,800This ZIP$545,800Maryland$419,900US $332,700
Bachelor's degree or higher52.5%This ZIP52.5%
Mean commute23.7 minThis ZIP23.7 min
Population density77.5 / sq miThis ZIP77.5 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees37This ZIP37
Annual payroll$1,838,000This ZIP$1,838,000
Tax returns filed320This ZIP320
Total adjusted gross income$34,721,000This ZIP$34,721,000

Land area

Land area6.49 sq miThis ZIP6.49 sq mi
Water area6.02 sq miThis ZIP6.02 sq mi

ZIP codes near 20628

ZIPCityDistance
20680 Ridge, MD 3.9 mi
20684 Saint Inigoes, MD 4.8 mi
20686 Saint Marys City, MD 5.6 mi
20687 Scotland, MD 6.2 mi
20630 Drayden, MD 6.7 mi
20667 Park Hall, MD 7.3 mi
20653 Lexington Park, MD 7.6 mi
20692 Valley Lee, MD 8.9 mi
20670 Patuxent River, MD 9.8 mi
20634 Great Mills, MD 10.6 mi

Find every ZIP code within 10 miles of 20628 →

Questions about this ZIP code

Where is ZIP code 20628?

20628 is in Dameron, Maryland, in St. Mary's County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.1530, -76.3399.

What county is 20628 in?

20628 lies in St. Mary's County.

What area code is 20628?

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

What time zone is 20628 in?

20628 uses America/New_York.

How many people live in 20628?

About 503 people live in ZIP code 20628, in 199 households, at 77.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 20628?

The closest are 20680 (3.9 mi), 20684 (4.8 mi), 20686 (5.6 mi), 20687 (6.2 mi) and 20630 (6.7 mi).

Is 20628 a PO Box ZIP code?

20628 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20628 ZIP Code — Dameron, Maryland (St. Mary's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20628

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