Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/49351

49351

ZIP 49351 is in Rockford, Michigan, in Kent County; area code 616; Eastern time. Rockford has 2 ZIP codes; the other is 49341.

Type
No street area
Time zone
America/Detroit
County
Kent
Coordinates
43.1200, -85.5600

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 49341, whose figures describe that area — not this ZIP code.

☼ Live from 49351 — Rockford, MI

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Where 49351 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 49351
  • 🔢 Type 49351 into a pocket calculator and turn it upside down: ISEGh — not quite a word, sorry.
  • ➕ As a number, 49,351 = 17 × 2903. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100000011000111
  • 🏠 Its numerical neighbours: 49349 (White Cloud, MI, 33 mi away) and 49355 (Ada, MI, 12 mi away).
  • 🔄 Backwards, 49351 becomes 15394, which is not a ZIP code at all.
  • 👥 46 other ZIP codes are made of exactly the same digits (13459, 13495, 14539, 15349, 15439, 15934, …). The farthest-flung twin is 95431 in Eldridge, CA, 1,947 miles away.
  • 🧭 Farther north than 83% of all ZIP codes, and farther east than 55%.
  • 🎯710 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49351 and you would come out at 43.12°S, 94.44°E — 1,228 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
🌙 The sky over 49351 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments13This ZIP13
Employees937This ZIP937
Annual payroll$128,173,000This ZIP$128,173,000

Land area

ZIP codes near 49351

ZIPCityDistance
49306 Belmont, MI 3.1 mi
49341 Rockford, MI 3.5 mi
49317 Cannonsburg, MI 5.2 mi
49510 Grand Rapids, MI 6.1 mi
49514 Grand Rapids, MI 6.1 mi
49515 Grand Rapids, MI 6.1 mi
49516 Grand Rapids, MI 6.1 mi
49518 Grand Rapids, MI 6.1 mi
49530 Grand Rapids, MI 6.1 mi
49560 Grand Rapids, MI 6.1 mi

Find every ZIP code within 10 miles of 49351 →

Questions about this ZIP code

Where is ZIP code 49351?

49351 is in Rockford, Michigan, in Kent County, part of the Grand Rapids-Wyoming-Kentwood, MI metropolitan area. Its published point location is 43.1200, -85.5600.

What county is 49351 in?

49351 lies in Kent County.

What area code is 49351?

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

What time zone is 49351 in?

49351 uses America/Detroit.

What ZIP codes are near 49351?

The closest are 49306 (3.1 mi), 49341 (3.5 mi), 49317 (5.2 mi), 49510 (6.1 mi) and 49514 (6.1 mi).

Is 49351 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “49351 ZIP Code — Rockford, Michigan (Kent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49351

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/49351.json

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