Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/72728

72728

ZIP 72728 is Elm Springs, Arkansas, in Washington County; area code 479; Central time.

Type
No street area
Time zone
America/Chicago
County
Washington
Coordinates
36.2100, -94.2546

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 72762, whose figures describe that area — not this ZIP code.

☼ Live from 72728 — Elm Springs, AR

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 72728 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 72728
  • 🔢 Type 72728 into a pocket calculator and turn it upside down: BZLZL — not quite a word, sorry.
  • ➕ As a number, 72,728 = 2 × 2 × 2 × 9091. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001110000011000
  • 🏠 Its numerical neighbours: 72727 (Elkins, AR, 27 mi away) and 72729 (Evansville, AR, 32 mi away).
  • 🔄 Backwards, 72728 becomes 82727 — and that is a real ZIP code: Rozet, WY, 804 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (27278, 27827, 27872, 28277, 28727, 28772, …). The farthest-flung twin is 27872 in Roxobel, NC, 947 miles away.
  • 🧭 Farther south than 68% of all ZIP codes, and farther west than 66%.
  • 🎯343 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 72728 and you would come out at 36.21°S, 85.75°E — 1,197 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 38m of daylight. Shortest: 9h 41m.
🌙 The sky over 72728 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees57This ZIP57
Annual payroll$1,438,000This ZIP$1,438,000

Land area

ZIP codes near 72728

ZIPCityDistance
72762 Springdale, AR 2.6 mi
72770 Tontitown, AR 4.2 mi
72718 Cave Springs, AR 4.2 mi
72765 Springdale, AR 6.2 mi
72713 Bentonville, AR 6.3 mi
72766 Springdale, AR 7.2 mi
72741 Johnson, AR 7.3 mi
72704 Fayetteville, AR 7.6 mi
72745 Lowell, AR 8.8 mi
72758 Rogers, AR 8.8 mi

Find every ZIP code within 10 miles of 72728 →

Questions about this ZIP code

Where is ZIP code 72728?

72728 is in Elm Springs, Arkansas, in Washington County, part of the Fayetteville-Springdale-Rogers, AR metropolitan area. Its published point location is 36.2100, -94.2546.

What county is 72728 in?

72728 lies in Washington County.

What area code is 72728?

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

What time zone is 72728 in?

72728 uses America/Chicago.

What ZIP codes are near 72728?

The closest are 72762 (2.6 mi), 72770 (4.2 mi), 72718 (4.2 mi), 72765 (6.2 mi) and 72713 (6.3 mi).

Is 72728 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “72728 ZIP Code — Elm Springs, Arkansas (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72728

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/72728.json

Underlying data is public domain or openly licensed — sources, vintages and licences.