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/03435

03435

ZIP 03435 is in Keene, New Hampshire, in Cheshire County; area code 603; Eastern time. Keene has 2 ZIP codes; the other is 03431.

Type
No street area
Time zone
America/New_York
County
Cheshire
Metro area
Keene, NH
Coordinates
42.9337, -72.2781

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 03431, whose figures describe that area — not this ZIP code.

☼ Live from 03435 — Keene, NH

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Where 03435 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 03435
  • 🔢 Type 03435 into a pocket calculator and turn it upside down: SEhEO — not quite a word, sorry.
  • ➕ As a number, 3,435 = 3 × 5 × 229. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110101101011
  • 🏠 Its numerical neighbours: 03431 (Keene, NH, 3 mi away) and 03440 (Antrim, NH, 18 mi away).
  • 🔄 Backwards, 03435 becomes 53430, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (04353, 05343, 30345, 30354, 30453, 30534, …). The farthest-flung twin is 34035 in APO AA, a military post office, 5,473 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther east than 94%.
  • 🎯1,375 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03435 and you would come out at 42.93°S, 107.72°E — 879 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 00m.
🌙 The sky over 03435 today
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Source: USGS.

Business and tax activity

Business establishments5This ZIP5
Employees104This ZIP104
Annual payroll$2,565,000This ZIP$2,565,000

Land area

ZIP codes near 03435

ZIPCityDistance
03431 Keene, NH 2.7 mi
03469 West Swanzey, NH 4.6 mi
03446 Swanzey, NH 5.3 mi
03455 Marlborough, NH 5.8 mi
03462 Spofford, NH 6.3 mi
03445 Sullivan, NH 6.8 mi
03448 Gilsum, NH 7.5 mi
03467 Westmoreland, NH 8.1 mi
03465 Troy, NH 8.5 mi
03457 Nelson, NH 9.1 mi

Find every ZIP code within 10 miles of 03435 →

Questions about this ZIP code

Where is ZIP code 03435?

03435 is in Keene, New Hampshire, in Cheshire County, part of the Keene, NH micropolitan area. Its published point location is 42.9337, -72.2781.

What county is 03435 in?

03435 lies in Cheshire County.

What area code is 03435?

Keene uses area code 603, from NANPA's telephone records.

What time zone is 03435 in?

03435 uses America/New_York.

What ZIP codes are near 03435?

The closest are 03431 (2.7 mi), 03469 (4.6 mi), 03446 (5.3 mi), 03455 (5.8 mi) and 03462 (6.3 mi).

Is 03435 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. “03435 ZIP Code — Keene, New Hampshire (Cheshire County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03435

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/03435.json

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