21523
ZIP 21523 is Bloomington, Maryland, in Garrett County; area codes 240, 227 and 301; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Garrett
- Metro area
- none
- Population
- 150
- Coordinates
- 39.4813, -79.0785
Weather right now
Asking the National Weather Service…
Where 21523 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 21523 into a pocket calculator and turn it upside down: EZSIZ — not quite a word, sorry.
- ➕ 21523 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010000010011 - 🏠 Its numerical neighbours: 21522 (Bittinger, MD, 11 mi away) and 21524 (Corriganville, MD, 21 mi away).
- 🔄 Backwards, 21523 becomes 32512 — and that is a real ZIP code: Pensacola, FL, 781 miles away.
- 👥 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 52% of all ZIP codes, and farther east than 76%.
- 🎯1,036 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21523 and you would come out at 39.48°S, 100.92°E — 984 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 23m.
- 📏 At 0.746 square miles of land, 21523 is bigger than 7% of ZIP codes — about 361 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 150This ZIP150 |
|---|---|
| Households | 60This ZIP60 |
| Housing units | 60This ZIP60 |
| Median age | 37.6This ZIP37.6Maryland39.4US 38.9 |
| Median household income | $59,063This ZIP$59,063Maryland$103,678US $80,734 |
| Median home value | $98,100This ZIP$98,100Maryland$419,900US $332,700 |
| Bachelor's degree or higher | 20.6%This ZIP20.6% |
| Population density | 201.1 / sq miThis ZIP201.1 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 37This ZIP37 |
| Annual payroll | $2,444,000This ZIP$2,444,000 |
| Tax returns filed | 130This ZIP130 |
| Total adjusted gross income | $5,988,000This ZIP$5,988,000 |
Land area
| Land area | 0.75 sq miThis ZIP0.75 sq mi |
|---|---|
| Water area | 0.03 sq miThis ZIP0.03 sq mi |
Other place names in 21523
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21523
| ZIP | City | Distance |
|---|---|---|
21540 | Luke, MD | 1.1 mi |
26750 | Piedmont, WV | 1.8 mi |
21562 | Westernport, MD | 3.1 mi |
21521 | Barton, MD | 5.0 mi |
21561 | Swanton, MD | 6.2 mi |
26726 | Keyser, WV | 7.4 mi |
21557 | Rawlings, MD | 8.5 mi |
21539 | Lonaconing, MD | 8.7 mi |
21538 | Kitzmiller, MD | 9.2 mi |
21542 | Midland, MD | 10.2 mi |
Find every ZIP code within 10 miles of 21523 →
Questions about this ZIP code
Where is ZIP code 21523?
21523 is in Bloomington, Maryland, in Garrett County. Its published point location is 39.4813, -79.0785.
What county is 21523 in?
21523 lies in Garrett County.
What area code is 21523?
Bloomington uses area codes 240, 227 and 301, from NANPA's telephone records.
What time zone is 21523 in?
21523 uses America/New_York.
How many people live in 21523?
About 150 people live in ZIP code 21523, in 60 households, at 201.1 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 21523?
$59,063 a year, against $103,678 across Maryland.
What ZIP codes are near 21523?
The closest are 21540 (1.1 mi), 26750 (1.8 mi), 21562 (3.1 mi), 21521 (5 mi) and 21561 (6.2 mi).
Is 21523 a PO Box ZIP code?
21523 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21523 ZIP Code — Bloomington, Maryland (Garrett County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21523
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21523.json Underlying data is public domain or openly licensed — sources, vintages and licences.