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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/49503

49503

ZIP 49503 is in Grand Rapids, Michigan, in Kent County; area code 616; Eastern time. Grand Rapids has 26 ZIP codes in all.

Type
Standard
Time zone
America/Detroit
County
Kent
Population
39,489
Coordinates
42.9621, -85.6594
☼ Live from 49503 — Grand Rapids, MI

Weather right now

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Local time: —

Where 49503 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 49503
  • 🔢 Type 49503 into a pocket calculator and turn it upside down: EOSGh — not quite a word, sorry.
  • ➕ As a number, 49,503 = 3 × 29 × 569. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100000101011111
  • 🏠 Its numerical neighbours: 49502 (Grand Rapids, MI, 0 mi away) and 49504 (Grand Rapids, MI, 3 mi away).
  • 🔄 Backwards, 49503 becomes 30594, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (04359, 04539, 04935, 04953, 05439, 09354, …). The farthest-flung twin is 09354 in APO AE, a military post office, 4,057 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther east than 55%.
  • 🎯703 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49503 and you would come out at 42.96°S, 94.34°E — 1,229 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 00m.
  • 📏 At 7.3 square miles of land, 49503 is bigger than 23% of ZIP codes — room for about 5.5 Central Parks.
🌙 The sky over 49503 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population39,489This ZIP39,489
Households17,960This ZIP17,960
Housing units19,328This ZIP19,328
Median age31.1This ZIP31.1Michigan40.2US 38.9
Median household income$64,661This ZIP$64,661Michigan$72,875US $80,734
Median home value$241,900This ZIP$241,900Michigan$231,600US $332,700
Median gross rent$1,301This ZIP$1,301Michigan$1,129US $1,413
Bachelor's degree or higher44.8%This ZIP44.8%
Mean commute18.5 minThis ZIP18.5 min
Population density5,440.0 / sq miThis ZIP5,440.0 / sq mi

Business and tax activity

Business establishments1,717This ZIP1,717
Employees52,626This ZIP52,626
Annual payroll$3,794,127,000This ZIP$3,794,127,000
Tax returns filed18,420This ZIP18,420
Total adjusted gross income$1,979,491,000This ZIP$1,979,491,000

Land area

Land area7.26 sq miThis ZIP7.26 sq mi
Water area0.17 sq miThis ZIP0.17 sq mi

Other place names in 49503

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

ZIP codes near 49503

ZIPCityDistance
49502 Grand Rapids, MI 0.4 mi
49523 Grand Rapids, MI 0.4 mi
49555 Grand Rapids, MI 0.4 mi
49501 Grand Rapids, MI 2.2 mi
49507 Grand Rapids, MI 2.2 mi
49506 Grand Rapids, MI 2.6 mi
49505 Grand Rapids, MI 2.6 mi
49504 Grand Rapids, MI 2.9 mi
49509 Wyoming, MI 4.8 mi
49525 Grand Rapids, MI 5.4 mi

Find every ZIP code within 10 miles of 49503 →

Questions about this ZIP code

Where is ZIP code 49503?

49503 is in Grand Rapids, Michigan, in Kent County, part of the Grand Rapids-Wyoming-Kentwood, MI metropolitan area. Its published point location is 42.9621, -85.6594.

What county is 49503 in?

49503 lies in Kent County.

What area code is 49503?

Grand Rapids uses area code 616, from NANPA's telephone records.

What time zone is 49503 in?

49503 uses America/Detroit.

How many people live in 49503?

About 39,489 people live in ZIP code 49503, in 17,960 households, at 5,440.0 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 49503?

$64,661 a year, against $72,875 across Michigan.

What ZIP codes are near 49503?

The closest are 49502 (0.4 mi), 49523 (0.4 mi), 49555 (0.4 mi), 49501 (2.2 mi) and 49507 (2.2 mi).

Is 49503 a PO Box ZIP code?

49503 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “49503 ZIP Code — Grand Rapids, Michigan (Kent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49503

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