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/25402

25402

ZIP 25402 is in Martinsburg, West Virginia, in Berkeley County; area codes 304 and 681; Eastern time. Martinsburg has 5 ZIP codes; the others are 25401, 25403, 25404 and 25405.

Type
No street area
Time zone
America/New_York
County
Berkeley
Coordinates
39.4562, -77.9639

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 25401, whose figures describe that area — not this ZIP code.

☼ Live from 25402 — Martinsburg, WV

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Local time: —

Where 25402 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 25402
  • 🔢 Type 25402 into a pocket calculator and turn it upside down: ZOhSZ — not quite a word, sorry.
  • ➕ As a number, 25,402 = 2 × 13 × 977. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110001100111010
  • 🏠 Its numerical neighbours: 25401 (Martinsburg, WV, 0 mi away) and 25403 (Martinsburg, WV, 3 mi away).
  • 🔄 Backwards, 25402 becomes 20452, which is not a ZIP code at all.
  • 👥 34 other ZIP codes are made of exactly the same digits (02452, 02542, 04225, 04252, 20245, 20254, …). The farthest-flung twin is 54022 in River Falls, WI, 836 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 79%.
  • 🎯1,095 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 25402 and you would come out at 39.46°S, 102.04°E — 931 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 25402 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees67This ZIP67
Annual payroll$3,613,000This ZIP$3,613,000

Land area

ZIP codes near 25402

ZIPCityDistance
25401 Martinsburg, WV 0.5 mi
25403 Martinsburg, WV 2.9 mi
25405 Martinsburg, WV 3.3 mi
25404 Martinsburg, WV 4.3 mi
25428 Inwood, WV 6.1 mi
25443 Shepherdstown, WV 8.1 mi
25427 Hedgesville, WV 8.5 mi
25430 Kearneysville, WV 9.0 mi
25442 Shenandoah Junction, WV 9.1 mi
25419 Falling Waters, WV 9.7 mi

Find every ZIP code within 10 miles of 25402 →

Questions about this ZIP code

Where is ZIP code 25402?

25402 is in Martinsburg, West Virginia, in Berkeley County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.4562, -77.9639.

What county is 25402 in?

25402 lies in Berkeley County.

What area code is 25402?

Martinsburg uses area codes 304 and 681, from NANPA's telephone records.

What time zone is 25402 in?

25402 uses America/New_York.

What ZIP codes are near 25402?

The closest are 25401 (0.5 mi), 25403 (2.9 mi), 25405 (3.3 mi), 25404 (4.3 mi) and 25428 (6.1 mi).

Is 25402 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. “25402 ZIP Code — Martinsburg, West Virginia (Berkeley County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/25402

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/25402.json

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