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/21092

21092

ZIP 21092 is Long Green, Maryland, in Baltimore County; area codes 410, 443 and 667; Eastern time.

Type
No street area
Time zone
America/New_York
County
Baltimore
Coordinates
39.4729, -76.5230

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 21057, whose figures describe that area — not this ZIP code.

☼ Live from 21092 — Long Green, MD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 21092 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 21092
  • 🔢 Type 21092 into a pocket calculator and turn it upside down: ZGOIZ — not quite a word, sorry.
  • ➕ As a number, 21,092 = 2 × 2 × 5273. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101001001100100
  • 🏠 Its numerical neighbours: 21090 (Linthicum Heights, MD, 20 mi away) and 21093 (Lutherville Timonium, MD, 7 mi away).
  • 🔄 Backwards, 21092 becomes 29012, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (01229, 01922, 02129, 02912, 02921, 09212, …). The farthest-flung twin is 09212 in APO AE, a military post office, 4,014 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 83%.
  • 🎯1,171 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21092 and you would come out at 39.47°S, 103.48°E — 866 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
🌙 The sky over 21092 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 21092

ZIPCityDistance
21057 Glen Arm, MD 1.8 mi
21082 Hydes, MD 2.7 mi
21013 Baldwin, MD 3.2 mi
21051 Fork, MD 3.6 mi
21131 Phoenix, MD 4.2 mi
21094 Lutherville Timonium, MD 4.4 mi
21286 Towson, MD 5.0 mi
21234 Parkville, MD 5.5 mi
21047 Fallston, MD 5.9 mi
21087 Kingsville, MD 6.1 mi

Find every ZIP code within 10 miles of 21092 →

Questions about this ZIP code

Where is ZIP code 21092?

21092 is in Long Green, Maryland, in Baltimore County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 39.4729, -76.5230.

What county is 21092 in?

21092 lies in Baltimore County.

What area code is 21092?

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

What time zone is 21092 in?

21092 uses America/New_York.

What ZIP codes are near 21092?

The closest are 21057 (1.8 mi), 21082 (2.7 mi), 21013 (3.2 mi), 21051 (3.6 mi) and 21131 (4.2 mi).

Is 21092 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. “21092 ZIP Code — Long Green, Maryland (Baltimore County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21092

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/21092.json

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