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zipcodes.pro — ZIP/01863

01863

ZIP 01863 is North Chelmsford, Massachusetts, in Middlesex County; area codes 978 and 351; Eastern time.

Type
Standard
Time zone
America/New_York
County
Middlesex
Population
9,796
Coordinates
42.6305, -71.3979
☼ Live from 01863 — North Chelmsford, MA

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Where 01863 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 01863
  • 🔢 Type 01863 into a pocket calculator and turn it upside down: EgBIO — not quite a word, sorry.
  • ➕ As a number, 1,863 = 3 × 3 × 3 × 3 × 23. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11101000111
  • 🏠 Its numerical neighbours: 01862 (North Billerica, MA, 6 mi away) and 01864 (North Reading, MA, 16 mi away).
  • 🔄 Backwards, 01863 becomes 36810, which is not a ZIP code at all.
  • 👥 58 other ZIP codes are made of exactly the same digits (01368, 03816, 03861, 06138, 06183, 06813, …). The farthest-flung twin is 86301 in Prescott, AZ, 2,260 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 95%.
  • 🎯1,419 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01863 and you would come out at 42.63°S, 108.60°E — 838 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
  • 📏 At 4.5 square miles of land, 01863 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 01863 today
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🌋 Shake report
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Source: USGS.

People and housing

Population9,796This ZIP9,796
Households3,573This ZIP3,573
Housing units3,615This ZIP3,615
Median age41.2This ZIP41.2Massachusetts40.0US 38.9
Median household income$144,875This ZIP$144,875Massachusetts$103,960US $80,734
Median home value$491,600This ZIP$491,600Massachusetts$562,100US $332,700
Median gross rent$1,875This ZIP$1,875Massachusetts$1,762US $1,413
Bachelor's degree or higher45.1%This ZIP45.1%
Mean commute27.9 minThis ZIP27.9 min
Population density2,198.9 / sq miThis ZIP2,198.9 / sq mi

Business and tax activity

Business establishments231This ZIP231
Employees2,960This ZIP2,960
Annual payroll$224,724,000This ZIP$224,724,000
Tax returns filed5,020This ZIP5,020
Total adjusted gross income$476,258,000This ZIP$476,258,000

Land area

Land area4.46 sq miThis ZIP4.46 sq mi
Water area0.32 sq miThis ZIP0.32 sq mi

ZIP codes near 01863

ZIPCityDistance
01854 Lowell, MA 2.8 mi
01879 Tyngsboro, MA 3.0 mi
01851 Lowell, MA 3.1 mi
01824 Chelmsford, MA 3.5 mi
01886 Westford, MA 3.8 mi
01853 Lowell, MA 4.2 mi
01850 Lowell, MA 5.1 mi
01852 Lowell, MA 5.2 mi
01826 Dracut, MA 6.0 mi
01827 Dunstable, MA 6.1 mi

Find every ZIP code within 10 miles of 01863 →

Questions about this ZIP code

Where is ZIP code 01863?

01863 is in North Chelmsford, Massachusetts, in Middlesex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.6305, -71.3979.

What county is 01863 in?

01863 lies in Middlesex County.

What area code is 01863?

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

What time zone is 01863 in?

01863 uses America/New_York.

How many people live in 01863?

About 9,796 people live in ZIP code 01863, in 3,573 households, at 2,198.9 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 01863?

$144,875 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01863?

The closest are 01854 (2.8 mi), 01879 (3 mi), 01851 (3.1 mi), 01824 (3.5 mi) and 01886 (3.8 mi).

Is 01863 a PO Box ZIP code?

01863 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “01863 ZIP Code — North Chelmsford, Massachusetts (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01863

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