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/73402

73402

ZIP 73402 is in Ardmore, Oklahoma, in Carter County; area code 580; Central time. Ardmore has 3 ZIP codes; the others are 73401 and 73403.

Type
No street area
Time zone
America/Chicago
County
Carter
Metro area
Ardmore, OK
Coordinates
34.2889, -97.2481

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 73401, whose figures describe that area — not this ZIP code.

☼ Live from 73402 — Ardmore, OK

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Where 73402 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 73402
  • 🔢 Type 73402 into a pocket calculator and turn it upside down: ZOhEL — not quite a word, sorry.
  • ➕ As a number, 73,402 = 2 × 7 × 7 × 7 × 107. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001111010111010
  • 🏠 Its numerical neighbours: 73401 (Ardmore, OK, 10 mi away) and 73403 (Ardmore, OK, 10 mi away).
  • 🔄 Backwards, 73402 becomes 20437 — and that is a real ZIP code: Washington, DC, 1,162 miles away.
  • 👥 57 other ZIP codes are made of exactly the same digits (02347, 02743, 03247, 04237, 04732, 07423, …). The farthest-flung twin is 04732 in Ashland, ME, 1,720 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 75%.
  • 🎯390 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 73402 and you would come out at 34.29°S, 82.75°E — 1,221 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.
🌙 The sky over 73402 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments38This ZIP38
Employees421This ZIP421
Annual payroll$16,604,000This ZIP$16,604,000

Land area

ZIP codes near 73402

ZIPCityDistance
73458 Springer, OK 5.6 mi
73443 Lone Grove, OK 9.2 mi
73401 Ardmore, OK 9.8 mi
73403 Ardmore, OK 9.9 mi
73437 Graham, OK 10.8 mi
73436 Gene Autry, OK 11.9 mi
73030 Davis, OK 13.1 mi
73032 Dougherty, OK 13.7 mi
73438 Healdton, OK 14.6 mi
73435 Fox, OK 14.9 mi

Find every ZIP code within 10 miles of 73402 →

Questions about this ZIP code

Where is ZIP code 73402?

73402 is in Ardmore, Oklahoma, in Carter County, part of the Ardmore, OK micropolitan area. Its published point location is 34.2889, -97.2481.

What county is 73402 in?

73402 lies in Carter County.

What area code is 73402?

Ardmore uses area code 580, from NANPA's telephone records.

What time zone is 73402 in?

73402 uses America/Chicago.

What ZIP codes are near 73402?

The closest are 73458 (5.6 mi), 73443 (9.2 mi), 73401 (9.8 mi), 73403 (9.9 mi) and 73437 (10.8 mi).

Is 73402 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. “73402 ZIP Code — Ardmore, Oklahoma (Carter County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73402

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