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/74121

74121

ZIP 74121 is in Tulsa, Oklahoma, in Tulsa County; area codes 918 and 539; Central time. Tulsa has 52 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Tulsa
Metro area
Tulsa, OK
Coordinates
36.1398, -96.0297

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 74107, whose figures describe that area — not this ZIP code.

☼ Live from 74121 — Tulsa, OK

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Where 74121 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 74121
  • 🔢 Type 74121 into a pocket calculator and turn it upside down: IZIhL — not quite a word, sorry.
  • ➕ As a number, 74,121 = 3 × 31 × 797. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010000110001001
  • 🏠 Its numerical neighbours: 74120 (Tulsa, OK, 3 mi away) and 74126 (Tulsa, OK, 7 mi away).
  • 🔄 Backwards, 74121 becomes 12147 — and that is a real ZIP code: Rensselaerville, NY, 1,245 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (11247, 11427, 11724, 11742, 12147, 12174, …). The farthest-flung twin is 11742 in Holtsville, NY, 1,281 miles away.
  • 🧭 Farther south than 68% of all ZIP codes, and farther west than 71%.
  • 🎯290 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 74121 and you would come out at 36.14°S, 83.97°E — 1,145 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 37m of daylight. Shortest: 9h 42m.
🌙 The sky over 74121 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees20This ZIP20
Annual payroll$1,067,000This ZIP$1,067,000

Land area

ZIP codes near 74121

ZIPCityDistance
74141 Tulsa, OK 0.0 mi
74147 Tulsa, OK 0.0 mi
74148 Tulsa, OK 0.0 mi
74149 Tulsa, OK 0.0 mi
74150 Tulsa, OK 0.0 mi
74152 Tulsa, OK 0.0 mi
74153 Tulsa, OK 0.0 mi
74155 Tulsa, OK 0.0 mi
74157 Tulsa, OK 0.0 mi
74158 Tulsa, OK 0.0 mi

Find every ZIP code within 10 miles of 74121 →

Questions about this ZIP code

Where is ZIP code 74121?

74121 is in Tulsa, Oklahoma, in Tulsa County, part of the Tulsa, OK metropolitan area. Its published point location is 36.1398, -96.0297.

What county is 74121 in?

74121 lies in Tulsa County.

What area code is 74121?

Tulsa uses area codes 918 and 539, from NANPA's telephone records.

What time zone is 74121 in?

74121 uses America/Chicago.

What ZIP codes are near 74121?

The closest are 74141 (0 mi), 74147 (0 mi), 74148 (0 mi), 74149 (0 mi) and 74150 (0 mi).

Is 74121 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. “74121 ZIP Code — Tulsa, Oklahoma (Tulsa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/74121

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