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zipcodes.pro — ZIP/03858

03858

ZIP 03858 is Newton, New Hampshire, in Rockingham County; area code 603; Eastern time.

Type
Standard
Time zone
America/New_York
County
Rockingham
Population
4,836
Coordinates
42.8704, -71.0459
☼ Live from 03858 — Newton, NH

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Where 03858 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 03858
  • 🔢 Type 03858 into a pocket calculator and turn it upside down: BSBEO — not quite a word, sorry.
  • ➕ As a number, 3,858 = 2 × 3 × 643. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 111100010010
  • 🏠 Its numerical neighbours: 03857 (Newmarket, NH, 15 mi away) and 03859 (Newton Junction, NH, 1 mi away).
  • 🔄 Backwards, 03858 becomes 85830, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (03588, 03885, 05838, 08835, 08853, 35808, …). The farthest-flung twin is 85380 in Peoria, AZ, 2,301 miles away.
  • 🧭 Farther north than 82% 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 03858 and you would come out at 42.87°S, 108.95°E — 844 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 9.8 square miles of land, 03858 is bigger than 27% of ZIP codes — room for about 7.4 Central Parks.
🌙 The sky over 03858 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,836This ZIP4,836
Households1,856This ZIP1,856
Housing units1,910This ZIP1,910
Median age47.8This ZIP47.8New Hampshire43.3US 38.9
Median household income$138,487This ZIP$138,487New Hampshire$99,031US $80,734
Median home value$459,500This ZIP$459,500New Hampshire$402,500US $332,700
Median gross rent$1,683This ZIP$1,683New Hampshire$1,491US $1,413
Bachelor's degree or higher37.9%This ZIP37.9%
Mean commute30.3 minThis ZIP30.3 min
Population density492.8 / sq miThis ZIP492.8 / sq mi

Business and tax activity

Business establishments77This ZIP77
Employees443This ZIP443
Annual payroll$29,040,000This ZIP$29,040,000
Tax returns filed2,570This ZIP2,570
Total adjusted gross income$240,947,000This ZIP$240,947,000

Land area

Land area9.81 sq miThis ZIP9.81 sq mi
Water area0.15 sq miThis ZIP0.15 sq mi

ZIP codes near 03858

ZIPCityDistance
03859 Newton Junction, NH 0.7 mi
01860 Merrimac, MA 2.8 mi
03865 Plaistow, NH 2.9 mi
03848 Kingston, NH 3.3 mi
03827 East Kingston, NH 3.4 mi
03826 East Hampstead, NH 4.4 mi
01913 Amesbury, MA 4.8 mi
01830 Haverhill, MA 5.1 mi
01985 West Newbury, MA 6.4 mi
03811 Atkinson, NH 6.5 mi

Find every ZIP code within 10 miles of 03858 →

Questions about this ZIP code

Where is ZIP code 03858?

03858 is in Newton, New Hampshire, in Rockingham County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.8704, -71.0459.

What county is 03858 in?

03858 lies in Rockingham County.

What area code is 03858?

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

What time zone is 03858 in?

03858 uses America/New_York.

How many people live in 03858?

About 4,836 people live in ZIP code 03858, in 1,856 households, at 492.8 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 03858?

$138,487 a year, against $99,031 across New Hampshire.

What ZIP codes are near 03858?

The closest are 03859 (0.7 mi), 01860 (2.8 mi), 03865 (2.9 mi), 03848 (3.3 mi) and 03827 (3.4 mi).

Is 03858 a PO Box ZIP code?

03858 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “03858 ZIP Code — Newton, New Hampshire (Rockingham County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/03858

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