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/20622

20622

ZIP 20622 is Charlotte Hall, Maryland, mostly in Charles County; area codes 240, 301 and 227; Eastern time.

Type
Standard
Time zone
America/New_York
County
Charles +1 more
Population
5,185
Coordinates
38.4174, -76.8780
☼ Live from 20622 — Charlotte Hall, MD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 20622 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 20622
  • 🔢 Type 20622 into a pocket calculator and turn it upside down: ZZgOZ — not quite a word, sorry.
  • ➕ As a number, 20,622 = 2 × 3 × 7 × 491. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000010001110
  • 🏠 Its numerical neighbours: 20621 (Chaptico, MD, 8 mi away) and 20623 (Cheltenham, MD, 22 mi away).
  • 🔄 Backwards, 20622 becomes 22602 — and that is a real ZIP code: Winchester, VA, 91 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (20226, 20262, 22026, 22206, 22602, 22620, …). The farthest-flung twin is 62022 in Dow, IL, 726 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther east than 82%.
  • 🎯1,164 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20622 and you would come out at 38.42°S, 103.12°E — 846 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 29m.
  • 📏 At 36.5 square miles of land, 20622 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 20622 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,185This ZIP5,185
Households1,489This ZIP1,489
Housing units1,497This ZIP1,497
Median age49.4This ZIP49.4Maryland39.4US 38.9
Median household income$124,063This ZIP$124,063Maryland$103,678US $80,734
Median home value$438,900This ZIP$438,900Maryland$419,900US $332,700
Median gross rent$1,447This ZIP$1,447Maryland$1,705US $1,413
Bachelor's degree or higher21.7%This ZIP21.7%
Mean commute36.6 minThis ZIP36.6 min
Population density141.9 / sq miThis ZIP141.9 / sq mi

Business and tax activity

Business establishments160This ZIP160
Employees2,295This ZIP2,295
Annual payroll$104,562,000This ZIP$104,562,000
Tax returns filed2,300This ZIP2,300
Total adjusted gross income$219,915,000This ZIP$219,915,000

Land area

Land area36.53 sq miThis ZIP36.53 sq mi
Water area1.55 sq miThis ZIP1.55 sq mi

Counties 20622 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Charles County 83.3%
St. Mary's County 16.7%

Other place names in 20622

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

ZIP codes near 20622

ZIPCityDistance
20632 Faulkner, MD 4.2 mi
20664 Newburg, MD 5.4 mi
20611 Bel Alton, MD 6.5 mi
20621 Chaptico, MD 7.6 mi
20659 Mechanicsville, MD 7.9 mi
20604 Waldorf, MD 8.5 mi
20645 Issue, MD 8.6 mi
20617 Bryantown, MD 8.8 mi
20682 Rock Point, MD 9.4 mi
20624 Clements, MD 9.6 mi

Find every ZIP code within 10 miles of 20622 →

Questions about this ZIP code

Where is ZIP code 20622?

20622 is in Charlotte Hall, Maryland, in Charles County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.4174, -76.8780.

What county is 20622 in?

20622 spans 2 counties: Charles County and St. Mary's County. Most of it falls in Charles County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 20622?

Charlotte Hall uses area codes 240, 301 and 227, from NANPA's telephone records.

What time zone is 20622 in?

20622 uses America/New_York.

How many people live in 20622?

About 5,185 people live in ZIP code 20622, in 1,489 households, at 141.9 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 20622?

$124,063 a year, against $103,678 across Maryland.

What ZIP codes are near 20622?

The closest are 20632 (4.2 mi), 20664 (5.4 mi), 20611 (6.5 mi), 20621 (7.6 mi) and 20659 (7.9 mi).

Is 20622 a PO Box ZIP code?

20622 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “20622 ZIP Code — Charlotte Hall, Maryland (Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20622

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20622.json

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