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/75085

75085

ZIP 75085 is in Richardson, Texas, in Dallas County; area codes 214, 972, 469 and 945; Central time. Richardson has 5 ZIP codes; the others are 75080, 75081, 75082 and 75083.

Type
No street area
Time zone
America/Chicago
County
Dallas
Coordinates
32.7673, -96.7776

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 75215, whose figures describe that area — not this ZIP code.

☼ Live from 75085 — Richardson, TX

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Where 75085 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 75085
  • 🔢 Type 75085 into a pocket calculator and turn it upside down: SBOSL — not quite a word, sorry.
  • ➕ As a number, 75,085 = 5 × 15017. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010010101001101
  • 🏠 Its numerical neighbours: 75083 (Richardson, TX, 0 mi away) and 75086 (Plano, TX, 18 mi away).
  • 🔄 Backwards, 75085 becomes 58057 — and that is a real ZIP code: Mcleod, ND, 944 miles away.
  • 👥 33 other ZIP codes are made of exactly the same digits (05758, 05857, 05875, 07855, 08557, 08755, …). The farthest-flung twin is 05857 in Newport Center, VT, 1,552 miles away.
  • 🧭 Farther south than 85% of all ZIP codes, and farther west than 73%.
  • 🎯498 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 75085 and you would come out at 32.77°S, 83.22°E — 1,327 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 19m of daylight. Shortest: 9h 59m.
🌙 The sky over 75085 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments12This ZIP12
Employees190This ZIP190
Annual payroll$7,050,000This ZIP$7,050,000

Land area

ZIP codes near 75085

ZIPCityDistance
75014 Irving, TX 0.0 mi
75017 Irving, TX 0.0 mi
75083 Richardson, TX 0.0 mi
75138 Duncanville, TX 0.0 mi
75187 Mesquite, TX 0.0 mi
75222 Dallas, TX 0.0 mi
75242 Dallas, TX 0.0 mi
75250 Dallas, TX 0.0 mi
75260 Dallas, TX 0.0 mi
75262 Dallas, TX 0.0 mi

Find every ZIP code within 10 miles of 75085 →

Questions about this ZIP code

Where is ZIP code 75085?

75085 is in Richardson, Texas, in Dallas County, part of the Dallas-Fort Worth-Arlington, TX metropolitan area. Its published point location is 32.7673, -96.7776.

What county is 75085 in?

75085 lies in Dallas County.

What area code is 75085?

Richardson uses area codes 214, 972, 469 and 945, from NANPA's telephone records.

What time zone is 75085 in?

75085 uses America/Chicago.

What ZIP codes are near 75085?

The closest are 75014 (0 mi), 75017 (0 mi), 75083 (0 mi), 75138 (0 mi) and 75187 (0 mi).

Is 75085 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. “75085 ZIP Code — Richardson, Texas (Dallas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75085

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curl https://zipcodes.pro/zip/75085.json

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