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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/03033

03033

ZIP 03033 is Brookline, New Hampshire, in Hillsborough County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Hillsborough
Population
5,736
Coordinates
42.7493, -71.6757
☼ Live from 03033 — Brookline, NH

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Where 03033 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 03033
  • 🔢 Type 03033 into a pocket calculator and turn it upside down: EEOEO — not quite a word, sorry.
  • ➕ As a number, 3,033 = 3 × 3 × 337. Its digits add up to 9, a total 375 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101111011001
  • 🏠 Its numerical neighbours: 03032 (Auburn, NH, 23 mi away) and 03034 (Candia, NH, 27 mi away).
  • 🔄 Backwards, 03033 becomes 33030 — and that is a real ZIP code: Homestead, FL, 1,294 miles away.
  • 👥 4 other ZIP codes are made of exactly the same digits (03303, 30033, 30303, 33030). The farthest-flung twin is 33030 in Homestead, FL, 1,294 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther east than 95%.
  • 🎯1,405 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 03033 and you would come out at 42.75°S, 108.32°E — 852 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
  • 📏 At 19.8 square miles of land, 03033 is bigger than 37% of ZIP codes — room for about 15 Central Parks.
🌙 The sky over 03033 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,736This ZIP5,736
Households1,831This ZIP1,831
Housing units1,880This ZIP1,880
Median age41.2This ZIP41.2New Hampshire43.3US 38.9
Median household income$171,046This ZIP$171,046New Hampshire$99,031US $80,734
Median home value$544,400This ZIP$544,400New Hampshire$402,500US $332,700
Median gross rent$2,500This ZIP$2,500New Hampshire$1,491US $1,413
Bachelor's degree or higher57.7%This ZIP57.7%
Mean commute33.3 minThis ZIP33.3 min
Population density289.2 / sq miThis ZIP289.2 / sq mi

Business and tax activity

Business establishments86This ZIP86
Employees464This ZIP464
Annual payroll$25,663,000This ZIP$25,663,000
Tax returns filed2,840This ZIP2,840
Total adjusted gross income$366,964,000This ZIP$366,964,000

Land area

Land area19.84 sq miThis ZIP19.84 sq mi
Water area0.36 sq miThis ZIP0.36 sq mi

ZIP codes near 03033

ZIPCityDistance
03048 Greenville, NH 4.4 mi
03049 Hollis, NH 4.6 mi
03055 Milford, NH 4.8 mi
01469 Townsend, MA 5.9 mi
01474 West Townsend, MA 6.4 mi
01463 Pepperell, MA 6.6 mi
03086 Wilton, NH 7.1 mi
03063 Nashua, NH 8.3 mi
03062 Nashua, NH 9.0 mi
01431 Ashby, MA 9.4 mi

Find every ZIP code within 10 miles of 03033 →

Questions about this ZIP code

Where is ZIP code 03033?

03033 is in Brookline, New Hampshire, in Hillsborough County, part of the Manchester-Nashua, NH metropolitan area. Its published point location is 42.7493, -71.6757.

What county is 03033 in?

03033 lies in Hillsborough County.

What area code is 03033?

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

What time zone is 03033 in?

03033 uses America/New_York.

How many people live in 03033?

About 5,736 people live in ZIP code 03033, in 1,831 households, at 289.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 03033?

$171,046 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03033?

The closest are 03048 (4.4 mi), 03049 (4.6 mi), 03055 (4.8 mi), 01469 (5.9 mi) and 01474 (6.4 mi).

Is 03033 a PO Box ZIP code?

03033 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03033 ZIP Code — Brookline, New Hampshire (Hillsborough County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03033

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