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/72128

72128

ZIP 72128 is Poyen, Arkansas, in Grant County; area code 870; Central time.

Type
Standard
Time zone
America/Chicago
County
Grant
Population
918
Coordinates
34.3134, -92.6354
☼ Live from 72128 — Poyen, AR

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 72128 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 72128
  • 🔢 Type 72128 into a pocket calculator and turn it upside down: BZIZL — not quite a word, sorry.
  • ➕ As a number, 72,128 = 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 23. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001100111000000
  • 🏠 Its numerical neighbours: 72127 (Plumerville, AR, 59 mi away) and 72129 (Prattsville, AR, 5 mi away).
  • 🔄 Backwards, 72128 becomes 82127, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (12827, 12872, 17228, 17822, 21278, 21287, …). The farthest-flung twin is 12872 in Severance, NY, 1,206 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 62%.
  • 🎯502 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 72128 and you would come out at 34.31°S, 87.36°E — 1,357 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
  • 📏 At 23.5 square miles of land, 72128 is bigger than 40% of ZIP codes — room for about 18 Central Parks.
🌙 The sky over 72128 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population918This ZIP918
Households310This ZIP310
Housing units380This ZIP380
Median age35.8This ZIP35.8Arkansas38.5US 38.9
Median household income$65,938This ZIP$65,938Arkansas$60,773US $80,734
Median home value$102,700This ZIP$102,700Arkansas$188,000US $332,700
Median gross rent$950This ZIP$950Arkansas$947US $1,413
Bachelor's degree or higher14.4%This ZIP14.4%
Mean commute26.0 minThis ZIP26.0 min
Population density39.1 / sq miThis ZIP39.1 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees38This ZIP38
Annual payroll$883,000This ZIP$883,000
Tax returns filed320This ZIP320
Total adjusted gross income$18,568,000This ZIP$18,568,000

Land area

Land area23.45 sq miThis ZIP23.45 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 72128

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

ZIP codes near 72128

ZIPCityDistance
72129 Prattsville, AR 4.6 mi
72167 Traskwood, AR 7.8 mi
72104 Malvern, AR 10.5 mi
72015 Benton, AR 12.3 mi
72084 Leola, AR 12.6 mi
72150 Sheridan, AR 13.6 mi
72011 Bauxite, AR 16.1 mi
72105 Jones Mill, AR 17.1 mi
72018 Benton, AR 17.6 mi
71941 Donaldson, AR 18.8 mi

Find every ZIP code within 10 miles of 72128 →

Questions about this ZIP code

Where is ZIP code 72128?

72128 is in Poyen, Arkansas, in Grant County, part of the Little Rock-North Little Rock-Conway, AR metropolitan area. Its published point location is 34.3134, -92.6354.

What county is 72128 in?

72128 lies in Grant County.

What area code is 72128?

Poyen uses area code 870, from NANPA's telephone records.

What time zone is 72128 in?

72128 uses America/Chicago.

How many people live in 72128?

About 918 people live in ZIP code 72128, in 310 households, at 39.1 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 72128?

$65,938 a year, against $60,773 across Arkansas.

What ZIP codes are near 72128?

The closest are 72129 (4.6 mi), 72167 (7.8 mi), 72104 (10.5 mi), 72015 (12.3 mi) and 72084 (12.6 mi).

Is 72128 a PO Box ZIP code?

72128 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “72128 ZIP Code — Poyen, Arkansas (Grant County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72128

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/72128.json

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