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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/48630

48630

ZIP 48630 is Houghton Lake Heights, Michigan, in Roscommon County; area code 989; Eastern time.

Type
Standard
Time zone
America/Detroit
County
Roscommon
Metro area
none
Population
61
Coordinates
44.3255, -84.7733
☼ Live from 48630 — Houghton Lake Heights, MI

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Local time: —

Where 48630 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 48630
  • 🔢 Type 48630 into a pocket calculator and turn it upside down: OEgBh — not quite a word, sorry.
  • ➕ As a number, 48,630 = 2 × 3 × 5 × 1621. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110111110110
  • 🏠 Its numerical neighbours: 48629 (Houghton Lake, MI, 1 mi away) and 48631 (Kawkawlin, MI, 59 mi away).
  • 🔄 Backwards, 48630 becomes 03684, which is not a ZIP code at all.
  • 👥 60 other ZIP codes are made of exactly the same digits (03468, 03846, 03864, 04683, 04863, 06384, …). The farthest-flung twin is 86403 in Lake Havasu City, AZ, 1,707 miles away.
  • 🧭 Farther north than 89% of all ZIP codes, and farther east than 57%.
  • 🎯772 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48630 and you would come out at 44.33°S, 95.23°E — 1,225 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 32m of daylight. Shortest: 8h 51m.
  • 📏 At 0.190 square miles of land, 48630 is bigger than 2% of ZIP codes — about 92 football fields.
🌙 The sky over 48630 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population61This ZIP61
Households39This ZIP39
Housing units194This ZIP194
Median age76.3This ZIP76.3Michigan40.2US 38.9
Median household income$62,019This ZIP$62,019Michigan$72,875US $80,734
Bachelor's degree or higher0.0%
Population density321.1 / sq miThis ZIP321.1 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees17This ZIP17
Annual payroll$439,000This ZIP$439,000

Land area

Land area0.19 sq miThis ZIP0.19 sq mi
Water area0.00 sq mi

Other place names in 48630

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

ZIP codes near 48630

ZIPCityDistance
48629 Houghton Lake, MI 1.1 mi
49667 Merritt, MI 7.9 mi
48651 Prudenville, MI 9.2 mi
48627 Higgins Lake, MI 9.5 mi
49632 Falmouth, MI 11.3 mi
48653 Roscommon, MI 14.1 mi
48656 Saint Helen, MI 15.5 mi
49651 Lake City, MI 17.2 mi
48625 Harrison, MI 19.2 mi
49657 Mc Bain, MI 21.7 mi

Find every ZIP code within 10 miles of 48630 →

Questions about this ZIP code

Where is ZIP code 48630?

48630 is in Houghton Lake Heights, Michigan, in Roscommon County. Its published point location is 44.3255, -84.7733.

What county is 48630 in?

48630 lies in Roscommon County.

What area code is 48630?

Houghton Lake Heights uses area code 989, from NANPA's telephone records.

What time zone is 48630 in?

48630 uses America/Detroit.

How many people live in 48630?

About 61 people live in ZIP code 48630, in 39 households, at 321.1 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 48630?

$62,019 a year, against $72,875 across Michigan.

What ZIP codes are near 48630?

The closest are 48629 (1.1 mi), 49667 (7.9 mi), 48651 (9.2 mi), 48627 (9.5 mi) and 49632 (11.3 mi).

Is 48630 a PO Box ZIP code?

48630 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48630 ZIP Code — Houghton Lake Heights, Michigan (Roscommon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48630

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