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/71770

71770

ZIP 71770 is Waldo, Arkansas, mostly in Columbia County; area code 870; Central time.

Type
Standard
Time zone
America/Chicago
County
Columbia +1 more
Metro area
Magnolia, AR
Population
3,307
Coordinates
33.3909, -93.3100
☼ Live from 71770 — Waldo, AR

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 71770 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 71770
  • 🔢 Type 71770 into a pocket calculator and turn it upside down: OLLIL — not quite a word, sorry.
  • ➕ As a number, 71,770 = 2 × 5 × 7177. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001100001011010
  • 🏠 Its numerical neighbours: 71766 (Thornton, AR, 53 mi away) and 71772 (Whelen Springs, AR, 32 mi away).
  • 🔄 Backwards, 71770 becomes 07717 — and that is a real ZIP code: Avon By The Sea, NJ, 1,163 miles away.
  • 👥 7 other ZIP codes are made of exactly the same digits (07717, 17077, 70177, 77017, 77071, 77701, …). The farthest-flung twin is 07717 in Avon By The Sea, NJ, 1,163 miles away.
  • 🧭 Farther south than 83% of all ZIP codes, and farther west than 64%.
  • 🎯532 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 71770 and you would come out at 33.39°S, 86.69°E — 1,388 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 22m of daylight. Shortest: 9h 56m.
  • 📏 At 149.7 square miles of land, 71770 is bigger than 86% of ZIP codes — room for about 114 Central Parks.
🌙 The sky over 71770 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,307This ZIP3,307
Households1,386This ZIP1,386
Housing units1,750This ZIP1,750
Median age42.2This ZIP42.2Arkansas38.5US 38.9
Median household income$44,569This ZIP$44,569Arkansas$60,773US $80,734
Median home value$91,200This ZIP$91,200Arkansas$188,000US $332,700
Median gross rent$833This ZIP$833Arkansas$947US $1,413
Bachelor's degree or higher17.3%This ZIP17.3%
Mean commute37.0 minThis ZIP37.0 min
Population density22.1 / sq miThis ZIP22.1 / sq mi

Business and tax activity

Business establishments23This ZIP23
Employees271This ZIP271
Annual payroll$17,153,000This ZIP$17,153,000
Tax returns filed1,190This ZIP1,190
Total adjusted gross income$62,923,000This ZIP$62,923,000

Land area

Land area149.72 sq miThis ZIP149.72 sq mi
Water area0.22 sq miThis ZIP0.22 sq mi

Counties 71770 spans

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

CountyShare of this ZIP
Columbia County 73.6%
Nevada County 26.4%

Other place names in 71770

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

ZIP codes near 71770

ZIPCityDistance
71827 Buckner, AR 5.8 mi
71752 Mc Neil, AR 6.8 mi
71864 Willisville, AR 8.2 mi
71754 Magnolia, AR 11.2 mi
71860 Stamps, AR 11.9 mi
71753 Magnolia, AR 13.5 mi
71858 Rosston, AR 13.7 mi
71764 Stephens, AR 15.3 mi
71845 Lewisville, AR 20.0 mi
71835 Emmet, AR 21.3 mi

Find every ZIP code within 10 miles of 71770 →

Questions about this ZIP code

Where is ZIP code 71770?

71770 is in Waldo, Arkansas, in Columbia County, part of the Magnolia, AR micropolitan area. Its published point location is 33.3909, -93.3100.

What county is 71770 in?

71770 spans 2 counties: Columbia County and Nevada County. Most of it falls in Columbia 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 71770?

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

What time zone is 71770 in?

71770 uses America/Chicago.

How many people live in 71770?

About 3,307 people live in ZIP code 71770, in 1,386 households, at 22.1 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 71770?

$44,569 a year, against $60,773 across Arkansas.

What ZIP codes are near 71770?

The closest are 71827 (5.8 mi), 71752 (6.8 mi), 71864 (8.2 mi), 71754 (11.2 mi) and 71860 (11.9 mi).

Is 71770 a PO Box ZIP code?

71770 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “71770 ZIP Code — Waldo, Arkansas (Columbia County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/71770

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/71770.json

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