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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/78627

78627

ZIP 78627 is in Georgetown, Texas, in Williamson County; area codes 512 and 737; Central time. Georgetown has 4 ZIP codes; the others are 78626, 78628 and 78633.

Type
No street area
Time zone
America/Chicago
County
Williamson
Coordinates
30.6327, -97.6772

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 78626, whose figures describe that area — not this ZIP code.

☼ Live from 78627 — Georgetown, TX

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Where 78627 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 78627
  • 🔢 Type 78627 into a pocket calculator and turn it upside down: LZgBL — not quite a word, sorry.
  • ➕ As a number, 78,627 = 3 × 26209. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100100011
  • 🏠 Its numerical neighbours: 78626 (Georgetown, TX, 4 mi away) and 78628 (Georgetown, TX, 6 mi away).
  • 🔄 Backwards, 78627 becomes 72687 — and that is a real ZIP code: Yellville, AR, 486 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (27867, 27876, 28677, 28776, 62877, 67278, …). The farthest-flung twin is 27867 in Potecasi, NC, 1,239 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 76%.
  • 🎯637 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78627 and you would come out at 30.63°S, 82.32°E — 1,439 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 08m of daylight. Shortest: 10h 10m.
🌙 The sky over 78627 today
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Source: USGS.

Business and tax activity

Business establishments27This ZIP27
Employees590This ZIP590
Annual payroll$37,472,000This ZIP$37,472,000

Land area

ZIP codes near 78627

ZIPCityDistance
78626 Georgetown, TX 3.9 mi
78680 Round Rock, TX 4.7 mi
78682 Round Rock, TX 4.7 mi
78683 Round Rock, TX 4.7 mi
78674 Weir, TX 5.4 mi
78665 Round Rock, TX 6.3 mi
78628 Georgetown, TX 6.4 mi
78681 Round Rock, TX 6.7 mi
78633 Georgetown, TX 8.5 mi
78664 Round Rock, TX 9.0 mi

Find every ZIP code within 10 miles of 78627 →

Questions about this ZIP code

Where is ZIP code 78627?

78627 is in Georgetown, Texas, in Williamson County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.6327, -97.6772.

What county is 78627 in?

78627 lies in Williamson County.

What area code is 78627?

Georgetown uses area codes 512 and 737, from NANPA's telephone records.

What time zone is 78627 in?

78627 uses America/Chicago.

What ZIP codes are near 78627?

The closest are 78626 (3.9 mi), 78680 (4.7 mi), 78682 (4.7 mi), 78683 (4.7 mi) and 78674 (5.4 mi).

Is 78627 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. “78627 ZIP Code — Georgetown, Texas (Williamson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78627

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