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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/01830

01830

ZIP 01830 is in Haverhill, Massachusetts, in Essex County; area codes 978 and 351; Eastern time. Haverhill has 4 ZIP codes; the others are 01831, 01832 and 01835.

Type
Standard
Time zone
America/New_York
County
Essex
Population
26,530
Coordinates
42.7963, -71.0534
☼ Live from 01830 — Haverhill, MA

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Where 01830 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 01830
  • 🔢 Type 01830 into a pocket calculator and turn it upside down: OEBIO — not quite a word, sorry.
  • ➕ As a number, 1,830 = 2 × 3 × 5 × 61. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11100100110
  • 🏠 Its numerical neighbours: 01827 (Dunstable, MA, 24 mi away) and 01831 (Haverhill, MA, 4 mi away).
  • 🔄 Backwards, 01830 becomes 03810 — and that is a real ZIP code: Alton Bay, NH, 51 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (00831, 01038, 01083, 01380, 01803, 03108, …). The farthest-flung twin is 83001 in Jackson, WY, 1,978 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther east than 96%.
  • 🎯1,437 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01830 and you would come out at 42.80°S, 108.95°E — 839 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 01m.
  • 📏 At 13.9 square miles of land, 01830 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 01830 today
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🌋 Shake report
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Source: USGS.

People and housing

Population26,530This ZIP26,530
Households10,650This ZIP10,650
Housing units11,427This ZIP11,427
Median age39.8This ZIP39.8Massachusetts40.0US 38.9
Median household income$78,571This ZIP$78,571Massachusetts$103,960US $80,734
Median home value$467,000This ZIP$467,000Massachusetts$562,100US $332,700
Median gross rent$1,644This ZIP$1,644Massachusetts$1,762US $1,413
Bachelor's degree or higher32.6%This ZIP32.6%
Mean commute28.7 minThis ZIP28.7 min
Population density1,913.0 / sq miThis ZIP1,913.0 / sq mi

Business and tax activity

Business establishments531This ZIP531
Employees6,603This ZIP6,603
Annual payroll$323,263,000This ZIP$323,263,000
Tax returns filed13,870This ZIP13,870
Total adjusted gross income$991,018,000This ZIP$991,018,000

Land area

Land area13.87 sq miThis ZIP13.87 sq mi
Water area1.31 sq miThis ZIP1.31 sq mi

Other place names in 01830

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 01830

ZIPCityDistance
01834 Groveland, MA 3.5 mi
01860 Merrimac, MA 3.6 mi
01835 Haverhill, MA 3.7 mi
01831 Haverhill, MA 3.9 mi
03865 Plaistow, NH 4.0 mi
01832 Haverhill, MA 4.0 mi
01985 West Newbury, MA 4.5 mi
03859 Newton Junction, NH 4.6 mi
03858 Newton, NH 5.1 mi
01833 Georgetown, MA 6.0 mi

Find every ZIP code within 10 miles of 01830 →

Questions about this ZIP code

Where is ZIP code 01830?

01830 is in Haverhill, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.7963, -71.0534.

What county is 01830 in?

01830 lies in Essex County.

What area code is 01830?

Haverhill uses area codes 978 and 351, from NANPA's telephone records.

What time zone is 01830 in?

01830 uses America/New_York.

How many people live in 01830?

About 26,530 people live in ZIP code 01830, in 10,650 households, at 1,913.0 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 01830?

$78,571 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01830?

The closest are 01834 (3.5 mi), 01860 (3.6 mi), 01835 (3.7 mi), 01831 (3.9 mi) and 03865 (4 mi).

Is 01830 a PO Box ZIP code?

01830 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01830 ZIP Code — Haverhill, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01830

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