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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/01103

01103

ZIP 01103 is in Springfield, Massachusetts, in Hampden County; area code 413; Eastern time. Springfield has 19 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Hampden
Metro area
Springfield, MA
Population
2,477
Coordinates
42.1044, -72.5901
☼ Live from 01103 — Springfield, MA

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Where 01103 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 01103
  • 🔢 Type 01103 into a pocket calculator and turn it upside down: EOIIO — not quite a word, sorry.
  • ➕ 01103 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 5, a total 55 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001001111
  • 🏠 Its numerical neighbours: 01102 (Springfield, MA, 5 mi away) and 01104 (Springfield, MA, 2 mi away).
  • 🔄 Backwards, 01103 becomes 30110 — and that is a real ZIP code: Bremen, GA, 894 miles away.
  • 👥 18 other ZIP codes are made of exactly the same digits (01013, 01031, 01301, 03101, 03110, 10013, …). The farthest-flung twin is 31010 in Cordele, GA, 935 miles away.
  • 🧭 Farther north than 76% of all ZIP codes, and farther east than 94%.
  • 🎯1,360 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01103 and you would come out at 42.10°S, 107.41°E — 841 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
  • 📏 At 0.435 square miles of land, 01103 is bigger than 5% of ZIP codes — about 211 football fields.
🌙 The sky over 01103 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,477This ZIP2,477
Households1,664This ZIP1,664
Housing units1,765This ZIP1,765
Median age35.8This ZIP35.8Massachusetts40.0US 38.9
Median household income$21,355This ZIP$21,355Massachusetts$103,960US $80,734
Median home value$185,700This ZIP$185,700Massachusetts$562,100US $332,700
Median gross rent$1,159This ZIP$1,159Massachusetts$1,762US $1,413
Bachelor's degree or higher33.2%This ZIP33.2%
Mean commute14.8 minThis ZIP14.8 min
Population density5,694.3 / sq miThis ZIP5,694.3 / sq mi

Business and tax activity

Business establishments378This ZIP378
Employees7,545This ZIP7,545
Annual payroll$373,364,000This ZIP$373,364,000
Tax returns filed1,090This ZIP1,090
Total adjusted gross income$51,855,000This ZIP$51,855,000

Land area

Land area0.44 sq miThis ZIP0.44 sq mi
Water area0.00 sq mi

Other place names in 01103

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

ZIP codes near 01103

ZIPCityDistance
01115 Springfield, MA 0.1 mi
01144 Springfield, MA 0.2 mi
01101 Springfield, MA 0.2 mi
01105 Springfield, MA 0.9 mi
01199 Springfield, MA 1.3 mi
01107 Springfield, MA 1.4 mi
01108 Springfield, MA 2.2 mi
01104 Springfield, MA 2.3 mi
01109 Springfield, MA 2.3 mi
01013 Chicopee, MA 2.6 mi

Find every ZIP code within 10 miles of 01103 →

Questions about this ZIP code

Where is ZIP code 01103?

01103 is in Springfield, Massachusetts, in Hampden County, part of the Springfield, MA metropolitan area. Its published point location is 42.1044, -72.5901.

What county is 01103 in?

01103 lies in Hampden County.

What area code is 01103?

Springfield uses area code 413, from NANPA's telephone records.

What time zone is 01103 in?

01103 uses America/New_York.

How many people live in 01103?

About 2,477 people live in ZIP code 01103, in 1,664 households, at 5,694.3 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 01103?

$21,355 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01103?

The closest are 01115 (0.1 mi), 01144 (0.2 mi), 01101 (0.2 mi), 01105 (0.9 mi) and 01199 (1.3 mi).

Is 01103 a PO Box ZIP code?

01103 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01103 ZIP Code — Springfield, Massachusetts (Hampden County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01103

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