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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/22161

22161

ZIP 22161 is in Springfield, Virginia, in Fairfax County; area codes 703 and 571; Eastern time. Springfield has 9 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Fairfax
Coordinates
38.7893, -77.1872

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 22150, whose figures describe that area — not this ZIP code.

☼ Live from 22161 — Springfield, VA

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Where 22161 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 22161
  • 🔢 Type 22161 into a pocket calculator and turn it upside down: IgIZZ — not quite a word, sorry.
  • ➕ As a number, 22,161 = 3 × 83 × 89. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101011010010001
  • 🏠 Its numerical neighbours: 22160 (Springfield, VA, 6 mi away) and 22172 (Triangle, VA, 19 mi away).
  • 🔄 Backwards, 22161 becomes 16122, which is not a ZIP code at all.
  • 👥 10 other ZIP codes are made of exactly the same digits (11226, 12261, 16212, 16221, 21162, 21216, …). The farthest-flung twin is 12261 in Albany, NY, 322 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther east than 81%.
  • 🎯1,143 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 22161 and you would come out at 38.79°S, 102.81°E — 872 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 22161 today
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Source: USGS.

Land area

ZIP codes near 22161

ZIPCityDistance
22150 Springfield, VA 1.1 mi
22151 Springfield, VA 1.5 mi
22152 Springfield, VA 2.6 mi
22312 Alexandria, VA 2.7 mi
22315 Alexandria, VA 3.1 mi
22003 Annandale, VA 3.2 mi
22310 Alexandria, VA 3.5 mi
22122 Newington, VA 3.5 mi
22153 Springfield, VA 4.0 mi
22304 Alexandria, VA 4.4 mi

Find every ZIP code within 10 miles of 22161 →

Questions about this ZIP code

Where is ZIP code 22161?

22161 is in Springfield, Virginia, in Fairfax County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.7893, -77.1872.

What county is 22161 in?

22161 lies in Fairfax County.

What area code is 22161?

Springfield uses area codes 703 and 571, from NANPA's telephone records.

What time zone is 22161 in?

22161 uses America/New_York.

What ZIP codes are near 22161?

The closest are 22150 (1.1 mi), 22151 (1.5 mi), 22152 (2.6 mi), 22312 (2.7 mi) and 22315 (3.1 mi).

Is 22161 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.

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Cite this page

zipcodes.pro. “22161 ZIP Code — Springfield, Virginia (Fairfax County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/22161

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/22161.json

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