21532
ZIP 21532 is Frostburg, Maryland, mostly in Allegany County; area codes 240 and 301; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Allegany +1 more
- Metro area
- Cumberland, MD-WV
- Population
- 13,647
- Coordinates
- 39.6491, -78.9847
Weather right now
Asking the National Weather Service…
Where 21532 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.
- 🔢 Type 21532 into a pocket calculator and turn it upside down: ZESIZ — not quite a word, sorry.
- ➕ As a number, 21,532 = 2 × 2 × 7 × 769. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010000011100 - 🏠 Its numerical neighbours: 21531 (Friendsville, MD, 24 mi away) and 21536 (Grantsville, MD, 10 mi away).
- 🔄 Backwards, 21532 becomes 23512, which is not a ZIP code at all.
- 👥 36 other ZIP codes are made of exactly the same digits (12235, 12325, 12523, 13225, 13252, 15223, …). The farthest-flung twin is 51232 in Ashton, IA, 905 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 76%.
- 🎯1,039 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21532 and you would come out at 39.65°S, 101.02°E — 985 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 22m.
- 📏 At 74.1 square miles of land, 21532 is bigger than 70% of ZIP codes — room for about 56 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 13,647This ZIP13,647 |
|---|---|
| Households | 5,511This ZIP5,511 |
| Housing units | 6,316This ZIP6,316 |
| Median age | 34.8This ZIP34.8Maryland39.4US 38.9 |
| Median household income | $63,690This ZIP$63,690Maryland$103,678US $80,734 |
| Median home value | $182,400This ZIP$182,400Maryland$419,900US $332,700 |
| Median gross rent | $916This ZIP$916Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 30.5%This ZIP30.5% |
| Mean commute | 25.6 minThis ZIP25.6 min |
| Population density | 184.1 / sq miThis ZIP184.1 / sq mi |
Business and tax activity
| Business establishments | 240This ZIP240 |
|---|---|
| Employees | 2,116This ZIP2,116 |
| Annual payroll | $72,509,000This ZIP$72,509,000 |
| Tax returns filed | 5,810This ZIP5,810 |
| Total adjusted gross income | $365,215,000This ZIP$365,215,000 |
Land area
| Land area | 74.13 sq miThis ZIP74.13 sq mi |
|---|---|
| Water area | 0.08 sq miThis ZIP0.08 sq mi |
Counties 21532 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Allegany County | 54.5% |
| Garrett County | 45.5% |
Other place names in 21532
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
- Finzel
- Frostburg
- Eckhart Mines
- Zihlman
- Vale Summit
- Shaft
- Klondike
- Midlothian
- Carlos
- Woodland
- National
- Grahamtown
ZIP codes near 21532
| ZIP | City | Distance |
|---|---|---|
21543 | Midlothian, MD | 1.3 mi |
21539 | Lonaconing, MD | 3.9 mi |
21542 | Midland, MD | 4.4 mi |
21528 | Eckhart Mines, MD | 4.4 mi |
21521 | Barton, MD | 7.6 mi |
21545 | Mount Savage, MD | 7.9 mi |
21505 | Cumberland, MD | 8.4 mi |
15532 | Boynton, PA | 8.8 mi |
15562 | Springs, PA | 9.1 mi |
21556 | Pinto, MD | 9.2 mi |
Find every ZIP code within 10 miles of 21532 →
Questions about this ZIP code
Where is ZIP code 21532?
21532 is in Frostburg, Maryland, in Allegany County, part of the Cumberland, MD-WV micropolitan area. Its published point location is 39.6491, -78.9847.
What county is 21532 in?
21532 spans 2 counties: Allegany County and Garrett County. Most of it falls in Allegany County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 21532?
Frostburg uses area codes 240 and 301, from NANPA's telephone records.
What time zone is 21532 in?
21532 uses America/New_York.
How many people live in 21532?
About 13,647 people live in ZIP code 21532, in 5,511 households, at 184.1 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 21532?
$63,690 a year, against $103,678 across Maryland.
What ZIP codes are near 21532?
The closest are 21543 (1.3 mi), 21539 (3.9 mi), 21542 (4.4 mi), 21528 (4.4 mi) and 21521 (7.6 mi).
Is 21532 a PO Box ZIP code?
21532 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21532 ZIP Code — Frostburg, Maryland (Allegany County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21532
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21532.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.