Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/20667

20667

ZIP 20667 is Park Hall, Maryland, in St. Mary's County; Eastern time.

Type
Standard
Time zone
America/New_York
County
St. Mary's
Metro area
Lexington Park, MD
Population
150
Coordinates
38.2152, -76.4478
☼ Live from 20667 — Park Hall, MD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 20667 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 20667
  • 🔢 Type 20667 into a pocket calculator and turn it upside down: LggOZ — not quite a word, sorry.
  • ➕ As a number, 20,667 = 3 × 83 × 83. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000010111011
  • 🏠 Its numerical neighbours: 20664 (Newburg, MD, 27 mi away) and 20670 (Patuxent River, MD, 5 mi away).
  • 🔄 Backwards, 20667 becomes 76602, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (02667, 02766, 06267, 06726, 06762, 07626, …). The farthest-flung twin is 76206 in Denton, TX, 1,210 miles away.
  • 🧭 Farther south than 57% of all ZIP codes, and farther east than 84%.
  • 🎯1,190 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20667 and you would come out at 38.22°S, 103.55°E — 818 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
  • 📏 At 2.4 square miles of land, 20667 is bigger than 13% of ZIP codes — room for about 1.8 Central Parks.
🌙 The sky over 20667 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population150This ZIP150
Households45This ZIP45
Housing units128This ZIP128
Median age39.6This ZIP39.6Maryland39.4US 38.9
Bachelor's degree or higher77.6%This ZIP77.6%
Population density62.8 / sq miThis ZIP62.8 / sq mi

Business and tax activity

Tax returns filed250This ZIP250
Total adjusted gross income$21,299,000This ZIP$21,299,000

Land area

Land area2.39 sq miThis ZIP2.39 sq mi
Water area0.46 sq miThis ZIP0.46 sq mi

ZIP codes near 20667

ZIPCityDistance
20653 Lexington Park, MD 1.8 mi
20686 Saint Marys City, MD 2.1 mi
20634 Great Mills, MD 3.3 mi
20692 Valley Lee, MD 3.7 mi
20630 Drayden, MD 3.9 mi
20620 Callaway, MD 4.2 mi
20670 Patuxent River, MD 5.3 mi
20690 Tall Timbers, MD 6.1 mi
20684 Saint Inigoes, MD 6.4 mi
20674 Piney Point, MD 6.7 mi

Find every ZIP code within 10 miles of 20667 →

Questions about this ZIP code

Where is ZIP code 20667?

20667 is in Park Hall, Maryland, in St. Mary's County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.2152, -76.4478.

What county is 20667 in?

20667 lies in St. Mary's County.

What time zone is 20667 in?

20667 uses America/New_York.

How many people live in 20667?

About 150 people live in ZIP code 20667, in 45 households, at 62.8 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 20667?

The closest are 20653 (1.8 mi), 20686 (2.1 mi), 20634 (3.3 mi), 20692 (3.7 mi) and 20630 (3.9 mi).

Is 20667 a PO Box ZIP code?

20667 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “20667 ZIP Code — Park Hall, Maryland (St. Mary's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20667

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20667.json

Underlying data is public domain or openly licensed — sources, vintages and licences.