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/71921

71921

ZIP 71921 is Amity, Arkansas, mostly in Clark County; area code 870; Central time.

Type
Standard
Time zone
America/Chicago
County
Clark +2 more
Metro area
Arkadelphia, AR
Population
3,427
Coordinates
34.2508, -93.4053
☼ Live from 71921 — Amity, AR

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 71921 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 71921
  • 🔢 Type 71921 into a pocket calculator and turn it upside down: IZGIL — not quite a word, sorry.
  • ➕ As a number, 71,921 = 23 × 53 × 59. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001100011110001
  • 🏠 Its numerical neighbours: 71920 (Alpine, AR, 2 mi away) and 71922 (Antoine, AR, 16 mi away).
  • 🔄 Backwards, 71921 becomes 12917 — and that is a real ZIP code: Burke, NY, 1,257 miles away.
  • 👥 30 other ZIP codes are made of exactly the same digits (11729, 11792, 11972, 12197, 12719, 12791, …). The farthest-flung twin is 97121 in Hammond, OR, 1,797 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 64%.
  • 🎯479 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 71921 and you would come out at 34.25°S, 86.59°E — 1,335 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 52m.
  • 📏 At 201.4 square miles of land, 71921 is bigger than 91% of ZIP codes — room for about 153 Central Parks.
🌙 The sky over 71921 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,427This ZIP3,427
Households1,239This ZIP1,239
Housing units1,657This ZIP1,657
Median age40.8This ZIP40.8Arkansas38.5US 38.9
Median household income$54,271This ZIP$54,271Arkansas$60,773US $80,734
Median home value$109,000This ZIP$109,000Arkansas$188,000US $332,700
Median gross rent$810This ZIP$810Arkansas$947US $1,413
Bachelor's degree or higher18.2%This ZIP18.2%
Mean commute29.0 minThis ZIP29.0 min
Population density17.0 / sq miThis ZIP17.0 / sq mi

Business and tax activity

Business establishments59This ZIP59
Employees378This ZIP378
Annual payroll$16,388,000This ZIP$16,388,000
Tax returns filed1,340This ZIP1,340
Total adjusted gross income$69,968,000This ZIP$69,968,000

Land area

Land area201.40 sq miThis ZIP201.40 sq mi
Water area9.31 sq miThis ZIP9.31 sq mi

Counties 71921 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Clark County 69.1%
Pike County 22.5%
Hot Spring County 8.4%

Other place names in 71921

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

ZIP codes near 71921

ZIPCityDistance
71920 Alpine, AR 2.1 mi
71933 Bonnerdale, AR 11.6 mi
71943 Glenwood, AR 11.8 mi
71962 Okolona, AR 14.2 mi
71929 Bismarck, AR 14.5 mi
71964 Pearcy, AR 15.2 mi
71922 Antoine, AR 15.7 mi
71958 Murfreesboro, AR 17.2 mi
71940 Delight, AR 17.3 mi
71950 Kirby, AR 17.9 mi

Find every ZIP code within 10 miles of 71921 →

Questions about this ZIP code

Where is ZIP code 71921?

71921 is in Amity, Arkansas, in Clark County, part of the Arkadelphia, AR micropolitan area. Its published point location is 34.2508, -93.4053.

What county is 71921 in?

71921 spans 3 counties: Clark County, Pike County and Hot Spring County. Most of it falls in Clark 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 71921?

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

What time zone is 71921 in?

71921 uses America/Chicago.

How many people live in 71921?

About 3,427 people live in ZIP code 71921, in 1,239 households, at 17.0 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 71921?

$54,271 a year, against $60,773 across Arkansas.

What ZIP codes are near 71921?

The closest are 71920 (2.1 mi), 71933 (11.6 mi), 71943 (11.8 mi), 71962 (14.2 mi) and 71929 (14.5 mi).

Is 71921 a PO Box ZIP code?

71921 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “71921 ZIP Code — Amity, Arkansas (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71921

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/71921.json

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