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/22320

22320

ZIP 22320 is in Alexandria, Virginia, in Alexandria City; Eastern time. Alexandria has 21 ZIP codes in all.

Type
No street area
Time zone
America/New_York
Coordinates
38.8044, -77.0467

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 22314, whose figures describe that area — not this ZIP code.

☼ Live from 22320 — Alexandria, VA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 22320 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 22320
  • 🔢 Type 22320 into a pocket calculator and turn it upside down: OZEZZ — not quite a word, sorry.
  • ➕ As a number, 22,320 = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 31. Its digits add up to 9, a total 375 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101011100110000
  • 🏠 Its numerical neighbours: 22315 (Alexandria, VA, 6 mi away) and 22331 (Alexandria, VA, 1 mi away).
  • 🔄 Backwards, 22320 becomes 02322 — and that is a real ZIP code: Avon, MA, 390 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (02322, 03222, 20223, 20232, 22032, 22203, …). The farthest-flung twin is 32220 in Jacksonville, FL, 646 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther east than 81%.
  • 🎯1,150 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 22320 and you would come out at 38.80°S, 102.95°E — 866 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
🌙 The sky over 22320 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments9This ZIP9
Employees737This ZIP737
Annual payroll$19,136,000This ZIP$19,136,000

Land area

ZIP codes near 22320

ZIPCityDistance
22350 Alexandria, VA 0.2 mi
22314 Alexandria, VA 0.5 mi
22301 Alexandria, VA 1.3 mi
22331 Alexandria, VA 1.3 mi
22332 Alexandria, VA 1.4 mi
22303 Alexandria, VA 2.0 mi
20375 Washington, DC 2.2 mi
22305 Alexandria, VA 2.4 mi
22307 Alexandria, VA 2.4 mi
22313 Alexandria, VA 2.5 mi

Find every ZIP code within 10 miles of 22320 →

Questions about this ZIP code

Where is ZIP code 22320?

22320 is in Alexandria, Virginia, in Alexandria city, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.8044, -77.0467.

What county is 22320 in?

22320 lies in Alexandria city.

What time zone is 22320 in?

22320 uses America/New_York.

What ZIP codes are near 22320?

The closest are 22350 (0.2 mi), 22314 (0.5 mi), 22301 (1.3 mi), 22331 (1.3 mi) and 22332 (1.4 mi).

Is 22320 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “22320 ZIP Code — Alexandria, Virginia (Alexandria City).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/22320

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/22320.json

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