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/75030

75030

ZIP 75030 is in Rowlett, Texas, in Dallas County; area codes 469, 945, 972 and 214; Central time. Rowlett has 3 ZIP codes; the others are 75088 and 75089.

Type
No street area
Time zone
America/Chicago
County
Dallas
Coordinates
32.9029, -96.5639

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 75088, whose figures describe that area — not this ZIP code.

☼ Live from 75030 — Rowlett, TX

Weather right now

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Local time: —

Where 75030 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 75030
  • 🔢 Type 75030 into a pocket calculator and turn it upside down: OEOSL — not quite a word, sorry.
  • ➕ As a number, 75,030 = 2 × 3 × 5 × 41 × 61. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010010100010110
  • 🏠 Its numerical neighbours: 75029 (Lewisville, TX, 27 mi away) and 75032 (Rockwall, TX, 8 mi away).
  • 🔄 Backwards, 75030 becomes 03057 — and that is a real ZIP code: Mont Vernon, NH, 1,514 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (00735, 03057, 03570, 03750, 05037, 05073, …). The farthest-flung twin is 00735 in Ceiba, PR, 2,164 miles away.
  • 🧭 Farther south than 84% of all ZIP codes, and farther west than 73%.
  • 🎯491 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 75030 and you would come out at 32.90°S, 83.44°E — 1,324 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 75030 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments16This ZIP16
Employees102This ZIP102
Annual payroll$3,801,000This ZIP$3,801,000

Land area

ZIP codes near 75030

ZIPCityDistance
75088 Rowlett, TX 1.5 mi
75089 Rowlett, TX 2.7 mi
75043 Garland, TX 3.4 mi
75040 Garland, TX 3.7 mi
75045 Garland, TX 3.7 mi
75046 Garland, TX 4.4 mi
75047 Garland, TX 4.4 mi
75049 Garland, TX 4.4 mi
75048 Sachse, TX 4.7 mi
75041 Garland, TX 5.3 mi

Find every ZIP code within 10 miles of 75030 →

Questions about this ZIP code

Where is ZIP code 75030?

75030 is in Rowlett, Texas, in Dallas County, part of the Dallas-Fort Worth-Arlington, TX metropolitan area. Its published point location is 32.9029, -96.5639.

What county is 75030 in?

75030 lies in Dallas County.

What area code is 75030?

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

What time zone is 75030 in?

75030 uses America/Chicago.

What ZIP codes are near 75030?

The closest are 75088 (1.5 mi), 75089 (2.7 mi), 75043 (3.4 mi), 75040 (3.7 mi) and 75045 (3.7 mi).

Is 75030 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. “75030 ZIP Code — Rowlett, Texas (Dallas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75030

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curl https://zipcodes.pro/zip/75030.json

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