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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/03299

03299

ZIP 03299 is in Tilton, New Hampshire, in Belknap County; area code 603; Eastern time. Tilton has 3 ZIP codes; the others are 03276 and 03298.

Type
No street area
Time zone
America/New_York
County
Belknap
Metro area
Laconia, NH
Coordinates
43.5249, -71.4458

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 03249, whose figures describe that area — not this ZIP code.

☼ Live from 03299 — Tilton, NH

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Where 03299 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 03299
  • 🔢 Type 03299 into a pocket calculator and turn it upside down: GGZEO — not quite a word, sorry.
  • ➕ 03299 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110011100011
  • 🏠 Its numerical neighbours: 03298 (Tilton, NH, 0 mi away) and 03301 (Concord, NH, 21 mi away).
  • 🔄 Backwards, 03299 becomes 99230, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (09239, 20993, 23909, 29039, 29903, 32099, …). The farthest-flung twin is 09239 in APO AE, a military post office, 3,716 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 95%.
  • 🎯1,417 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03299 and you would come out at 43.52°S, 108.55°E — 893 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
🌙 The sky over 03299 today
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Source: USGS.

Land area

ZIP codes near 03299

ZIPCityDistance
03298 Tilton, NH 0.0 mi
03249 Gilford, NH 3.5 mi
03220 Belmont, NH 3.9 mi
03246 Laconia, NH 4.0 mi
03289 Winnisquam, NH 4.2 mi
03247 Laconia, NH 4.4 mi
03252 Lochmere, NH 6.0 mi
03237 Gilmanton, NH 7.1 mi
03810 Alton Bay, NH 7.6 mi
03269 Sanbornton, NH 7.8 mi

Find every ZIP code within 10 miles of 03299 →

Questions about this ZIP code

Where is ZIP code 03299?

03299 is in Tilton, New Hampshire, in Belknap County, part of the Laconia, NH micropolitan area. Its published point location is 43.5249, -71.4458.

What county is 03299 in?

03299 lies in Belknap County.

What area code is 03299?

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

What time zone is 03299 in?

03299 uses America/New_York.

What ZIP codes are near 03299?

The closest are 03298 (0 mi), 03249 (3.5 mi), 03220 (3.9 mi), 03246 (4 mi) and 03289 (4.2 mi).

Is 03299 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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zipcodes.pro. “03299 ZIP Code — Tilton, New Hampshire (Belknap County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03299

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