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/73023

73023

ZIP 73023 is in Chickasha, Oklahoma, in Grady County; area codes 405 and 572; Central time. Chickasha has 2 ZIP codes; the other is 73018.

Type
No street area
Time zone
America/Chicago
County
Grady
Metro area
Oklahoma City, OK
Coordinates
35.0526, -97.9364

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 73018, whose figures describe that area — not this ZIP code.

☼ Live from 73023 — Chickasha, OK

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Where 73023 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 73023
  • 🔢 Type 73023 into a pocket calculator and turn it upside down: EZOEL — not quite a word, sorry.
  • ➕ As a number, 73,023 = 3 × 101 × 241. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001110100111111
  • 🏠 Its numerical neighbours: 73022 (Concho, OK, 39 mi away) and 73024 (Corn, OK, 54 mi away).
  • 🔄 Backwards, 73023 becomes 32037, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (02337, 03237, 03273, 20373, 20733, 23307, …). The farthest-flung twin is 02337 in Elmwood, MA, 1,528 miles away.
  • 🧭 Farther south than 74% of all ZIP codes, and farther west than 77%.
  • 🎯332 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 73023 and you would come out at 35.05°S, 82.06°E — 1,156 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 31m of daylight. Shortest: 9h 48m.
🌙 The sky over 73023 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments36This ZIP36
Employees430This ZIP430
Annual payroll$24,595,000This ZIP$24,595,000

Land area

ZIP codes near 73023

ZIPCityDistance
73018 Chickasha, OK 0.3 mi
73092 Verden, OK 9.5 mi
73067 Ninnekah, OK 9.9 mi
73004 Amber, OK 11.3 mi
73079 Pocasset, OK 11.7 mi
73017 Cement, OK 12.6 mi
73002 Alex, OK 12.6 mi
73010 Blanchard, OK 15.2 mi
73089 Tuttle, OK 16.8 mi
73005 Anadarko, OK 17.2 mi

Find every ZIP code within 10 miles of 73023 →

Questions about this ZIP code

Where is ZIP code 73023?

73023 is in Chickasha, Oklahoma, in Grady County, part of the Oklahoma City, OK metropolitan area. Its published point location is 35.0526, -97.9364.

What county is 73023 in?

73023 lies in Grady County.

What area code is 73023?

Chickasha uses area codes 405 and 572, from NANPA's telephone records.

What time zone is 73023 in?

73023 uses America/Chicago.

What ZIP codes are near 73023?

The closest are 73018 (0.3 mi), 73092 (9.5 mi), 73067 (9.9 mi), 73004 (11.3 mi) and 73079 (11.7 mi).

Is 73023 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.

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Cite this page

zipcodes.pro. “73023 ZIP Code — Chickasha, Oklahoma (Grady County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73023

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/73023.json

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