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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/76678

76678

ZIP 76678 is Prairie Hill, Texas, in Limestone County; area code 254; Central time.

Type
Standard
Time zone
America/Chicago
County
Limestone
Metro area
none
Population
102
Coordinates
31.6511, -96.7492
☼ Live from 76678 — Prairie Hill, TX

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Local time: —

Where 76678 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 76678
  • 🔢 Type 76678 into a pocket calculator and turn it upside down: BLggL — not quite a word, sorry.
  • ➕ As a number, 76,678 = 2 × 7 × 5477. Its digits add up to 34, a total 322 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010101110000110
  • 🏠 Its numerical neighbours: 76676 (Penelope, TX, 20 mi away) and 76679 (Purdon, TX, 23 mi away).
  • 🔄 Backwards, 76678 becomes 87667, which is not a ZIP code at all.
  • 👥 10 other ZIP codes are made of exactly the same digits (66778, 67867, 67876, 68767, 68776, 76687, …). The farthest-flung twin is 68776 in South Sioux City, NE, 747 miles away.
  • 🧭 Farther south than 89% of all ZIP codes, and farther west than 73%.
  • 🎯574 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 76678 and you would come out at 31.65°S, 83.25°E — 1,397 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 13m of daylight. Shortest: 10h 05m.
  • 📏 At 27.9 square miles of land, 76678 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
🌙 The sky over 76678 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population102This ZIP102
Households60This ZIP60
Housing units86This ZIP86
Median age51.7This ZIP51.7Texas35.6US 38.9
Median household income$61,944This ZIP$61,944Texas$78,476US $80,734
Median home value$215,600This ZIP$215,600Texas$283,800US $332,700
Bachelor's degree or higher25.4%This ZIP25.4%
Mean commute36.6 minThis ZIP36.6 min
Population density3.7 / sq miThis ZIP3.7 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees26This ZIP26
Annual payroll$746,000This ZIP$746,000

Land area

Land area27.90 sq miThis ZIP27.90 sq mi
Water area0.23 sq miThis ZIP0.23 sq mi

ZIP codes near 76678

ZIPCityDistance
76635 Coolidge, TX 6.8 mi
76664 Mart, TX 7.0 mi
76673 Mount Calm, TX 10.9 mi
76624 Axtell, TX 12.1 mi
76686 Tehuacana, TX 13.8 mi
76648 Hubbard, TX 14.1 mi
76639 Dawson, TX 15.9 mi
76654 Leroy, TX 16.4 mi
76667 Mexia, TX 16.7 mi
76682 Riesel, TX 16.7 mi

Find every ZIP code within 10 miles of 76678 →

Questions about this ZIP code

Where is ZIP code 76678?

76678 is in Prairie Hill, Texas, in Limestone County. Its published point location is 31.6511, -96.7492.

What county is 76678 in?

76678 lies in Limestone County.

What area code is 76678?

Prairie Hill uses area code 254, from NANPA's telephone records.

What time zone is 76678 in?

76678 uses America/Chicago.

How many people live in 76678?

About 102 people live in ZIP code 76678, in 60 households, at 3.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 76678?

$61,944 a year, against $78,476 across Texas.

What ZIP codes are near 76678?

The closest are 76635 (6.8 mi), 76664 (7 mi), 76673 (10.9 mi), 76624 (12.1 mi) and 76686 (13.8 mi).

Is 76678 a PO Box ZIP code?

76678 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “76678 ZIP Code — Prairie Hill, Texas (Limestone County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/76678

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