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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/48638

48638

ZIP 48638 is in Saginaw, Michigan, in Saginaw County; area code 989; Eastern time. Saginaw has 11 ZIP codes in all.

Type
Standard
Time zone
America/Detroit
County
Saginaw
Metro area
Saginaw, MI
Population
12,875
Coordinates
43.4189, -84.0182
☼ Live from 48638 — Saginaw, MI

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Where 48638 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 48638
  • 🔢 Type 48638 into a pocket calculator and turn it upside down: BEgBh — not quite a word, sorry.
  • ➕ As a number, 48,638 = 2 × 83 × 293. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110111111110
  • 🏠 Its numerical neighbours: 48637 (Merrill, MI, 16 mi away) and 48640 (Midland, MI, 20 mi away).
  • 🔄 Backwards, 48638 becomes 83684, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (34688, 38468, 38486, 38846, 38864, 48386, …). The farthest-flung twin is 86438 in Yucca, AZ, 1,706 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther east than 60%.
  • 🎯791 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48638 and you would come out at 43.42°S, 95.98°E — 1,287 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
  • 📏 At 6.5 square miles of land, 48638 is bigger than 22% of ZIP codes — room for about 5.0 Central Parks.
🌙 The sky over 48638 today
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🌋 Shake report
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Source: USGS.

People and housing

Population12,875This ZIP12,875
Households5,910This ZIP5,910
Housing units6,435This ZIP6,435
Median age43.6This ZIP43.6Michigan40.2US 38.9
Median household income$69,459This ZIP$69,459Michigan$72,875US $80,734
Median home value$172,600This ZIP$172,600Michigan$231,600US $332,700
Median gross rent$949This ZIP$949Michigan$1,129US $1,413
Bachelor's degree or higher34.4%This ZIP34.4%
Mean commute23.6 minThis ZIP23.6 min
Population density1,968.1 / sq miThis ZIP1,968.1 / sq mi

Business and tax activity

Business establishments214This ZIP214
Employees2,208This ZIP2,208
Annual payroll$92,431,000This ZIP$92,431,000
Tax returns filed6,520This ZIP6,520
Total adjusted gross income$421,939,000This ZIP$421,939,000

Land area

Land area6.54 sq miThis ZIP6.54 sq mi
Water area0.16 sq miThis ZIP0.16 sq mi

Other place names in 48638

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

ZIP codes near 48638

ZIPCityDistance
48602 Saginaw, MI 2.2 mi
48603 Saginaw, MI 2.8 mi
48605 Saginaw, MI 3.2 mi
48663 Saginaw, MI 3.4 mi
48609 Saginaw, MI 3.8 mi
48607 Saginaw, MI 4.3 mi
48606 Saginaw, MI 4.9 mi
48608 Saginaw, MI 4.9 mi
48724 Carrollton, MI 5.3 mi
48604 Saginaw, MI 6.1 mi

Find every ZIP code within 10 miles of 48638 →

Questions about this ZIP code

Where is ZIP code 48638?

48638 is in Saginaw, Michigan, in Saginaw County, part of the Saginaw, MI metropolitan area. Its published point location is 43.4189, -84.0182.

What county is 48638 in?

48638 lies in Saginaw County.

What area code is 48638?

Saginaw uses area code 989, from NANPA's telephone records.

What time zone is 48638 in?

48638 uses America/Detroit.

How many people live in 48638?

About 12,875 people live in ZIP code 48638, in 5,910 households, at 1,968.1 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 48638?

$69,459 a year, against $72,875 across Michigan.

What ZIP codes are near 48638?

The closest are 48602 (2.2 mi), 48603 (2.8 mi), 48605 (3.2 mi), 48663 (3.4 mi) and 48609 (3.8 mi).

Is 48638 a PO Box ZIP code?

48638 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48638 ZIP Code — Saginaw, Michigan (Saginaw County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48638

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