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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/20908

20908

ZIP 20908 is in Silver Spring, Maryland, in Montgomery County; Eastern time. Silver Spring has 16 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Montgomery
Coordinates
38.9907, -77.0261

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 20910, whose figures describe that area — not this ZIP code.

☼ Live from 20908 — Silver Spring, MD

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Where 20908 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 20908
  • 🔢 Type 20908 into a pocket calculator and turn it upside down: BOGOZ — not quite a word, sorry.
  • ➕ As a number, 20,908 = 2 × 2 × 5227. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000110101100
  • 🏠 Its numerical neighbours: 20907 (Silver Spring, MD, 0 mi away) and 20910 (Silver Spring, MD, 1 mi away).
  • 🔄 Backwards, 20908 becomes 80902 — and that is a real ZIP code: Colorado Springs, CO, 1,490 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (00928, 00982, 02809, 02908, 08029, 08092, …). The farthest-flung twin is 09802 in APO AE, a military post office, 6,637 miles away.
  • 🧭 Farther south than 51% of all ZIP codes, and farther east than 81%.
  • 🎯1,149 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20908 and you would come out at 38.99°S, 102.97°E — 872 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
🌙 The sky over 20908 today
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Source: USGS.

Land area

ZIP codes near 20908

ZIPCityDistance
20907 Silver Spring, MD 0.0 mi
20911 Silver Spring, MD 0.0 mi
20914 Silver Spring, MD 0.0 mi
20915 Silver Spring, MD 0.0 mi
20916 Silver Spring, MD 0.0 mi
20918 Silver Spring, MD 0.0 mi
20997 Silver Spring, MD 0.0 mi
20012 Washington, DC 0.8 mi
20910 Silver Spring, MD 1.0 mi
20913 Takoma Park, MD 1.3 mi

Find every ZIP code within 10 miles of 20908 →

Questions about this ZIP code

Where is ZIP code 20908?

20908 is in Silver Spring, Maryland, in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.9907, -77.0261.

What county is 20908 in?

20908 lies in Montgomery County.

What time zone is 20908 in?

20908 uses America/New_York.

What ZIP codes are near 20908?

The closest are 20907 (0 mi), 20911 (0 mi), 20914 (0 mi), 20915 (0 mi) and 20916 (0 mi).

Is 20908 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. “20908 ZIP Code — Silver Spring, Maryland (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20908

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/20908.json

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