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zipcodes.pro — ZIP/72921

72921

ZIP 72921 is Alma, Arkansas, in Crawford County; area code 479; Central time.

Type
Standard
Time zone
America/Chicago
County
Crawford
Metro area
Fort Smith, AR-OK
Population
12,888
Coordinates
35.4631, -94.1915
☼ Live from 72921 — Alma, AR

Weather right now

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Local time: —

Where 72921 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 72921
  • 🔢 Type 72921 into a pocket calculator and turn it upside down: IZGZL — not quite a word, sorry.
  • ➕ As a number, 72,921 = 3 × 109 × 223. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001110011011001
  • 🏠 Its numerical neighbours: 72919 (Fort Smith, AR, 13 mi away) and 72923 (Barling, AR, 12 mi away).
  • 🔄 Backwards, 72921 becomes 12927 — and that is a real ZIP code: Cranberry Lake, NY, 1,188 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (12729, 12792, 12927, 12972, 17229, 17922, …). The farthest-flung twin is 97122 in Hebo, OR, 1,687 miles away.
  • 🧭 Farther south than 72% of all ZIP codes, and farther west than 66%.
  • 🎯385 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 72921 and you would come out at 35.46°S, 85.81°E — 1,241 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 45m.
  • 📏 At 88.9 square miles of land, 72921 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
🌙 The sky over 72921 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,888This ZIP12,888
Households4,621This ZIP4,621
Housing units5,142This ZIP5,142
Median age37.0This ZIP37.0Arkansas38.5US 38.9
Median household income$75,008This ZIP$75,008Arkansas$60,773US $80,734
Median home value$222,100This ZIP$222,100Arkansas$188,000US $332,700
Median gross rent$949This ZIP$949Arkansas$947US $1,413
Bachelor's degree or higher22.7%This ZIP22.7%
Mean commute26.6 minThis ZIP26.6 min
Population density144.9 / sq miThis ZIP144.9 / sq mi

Business and tax activity

Business establishments248This ZIP248
Employees2,375This ZIP2,375
Annual payroll$82,641,000This ZIP$82,641,000
Tax returns filed5,740This ZIP5,740
Total adjusted gross income$398,115,000This ZIP$398,115,000

Land area

Land area88.93 sq miThis ZIP88.93 sq mi
Water area3.10 sq miThis ZIP3.10 sq mi

Other place names in 72921

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

ZIP codes near 72921

ZIPCityDistance
72935 Dyer, AR 3.9 mi
72930 Cecil, AR 4.1 mi
72941 Lavaca, AR 8.1 mi
72956 Van Buren, AR 8.8 mi
72957 Van Buren, AR 9.0 mi
72952 Rudy, AR 9.6 mi
72947 Mulberry, AR 10.7 mi
72904 Fort Smith, AR 11.3 mi
72923 Barling, AR 12.0 mi
72903 Fort Smith, AR 12.1 mi

Find every ZIP code within 10 miles of 72921 →

Questions about this ZIP code

Where is ZIP code 72921?

72921 is in Alma, Arkansas, in Crawford County, part of the Fort Smith, AR-OK metropolitan area. Its published point location is 35.4631, -94.1915.

What county is 72921 in?

72921 lies in Crawford County.

What area code is 72921?

Alma uses area code 479, from NANPA's telephone records.

What time zone is 72921 in?

72921 uses America/Chicago.

How many people live in 72921?

About 12,888 people live in ZIP code 72921, in 4,621 households, at 144.9 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 72921?

$75,008 a year, against $60,773 across Arkansas.

What ZIP codes are near 72921?

The closest are 72935 (3.9 mi), 72930 (4.1 mi), 72941 (8.1 mi), 72956 (8.8 mi) and 72957 (9 mi).

Is 72921 a PO Box ZIP code?

72921 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “72921 ZIP Code — Alma, Arkansas (Crawford County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72921

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