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Where 78111 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.
- 🔢 Type 78111 into a pocket calculator and turn it upside down: IIIBL — not quite a word, sorry.
- ➕ As a number, 78,111 = 3 × 3 × 3 × 11 × 263. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011000100011111 - 🏠 Its numerical neighbours: 78109 (Converse, TX, 45 mi away) and 78112 (Elmendorf, TX, 41 mi away).
- 🔄 Backwards, 78111 becomes 11187, which is not a ZIP code at all.
- 👥 4 other ZIP codes are made of exactly the same digits (11718, 18711, 71118, 87111). The farthest-flung twin is 11718 in Brightwaters, NY, 1,597 miles away.
- 🧭 Farther south than 95% of all ZIP codes, and farther west than 76%.
- 🎯747 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78111 and you would come out at 29.03°S, 82.26°E — 1,496 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 00m of daylight. Shortest: 10h 17m.
- 📏 At 4.8 square miles of land, 78111 is bigger than 18% of ZIP codes — room for about 3.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Land area
| Land area | 4.80 sq miThis ZIP4.80 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
ZIP codes near 78111
| ZIP | City | Distance |
|---|---|---|
78116 | Gillett, TX | 4.7 mi |
78144 | Panna Maria, TX | 11.0 mi |
78141 | Nordheim, TX | 11.3 mi |
78151 | Runge, TX | 11.5 mi |
78117 | Hobson, TX | 13.1 mi |
78164 | Yorktown, TX | 13.6 mi |
78159 | Smiley, TX | 16.1 mi |
78118 | Karnes City, TX | 16.4 mi |
78143 | Pandora, TX | 16.9 mi |
78160 | Stockdale, TX | 17.8 mi |
Find every ZIP code within 10 miles of 78111 →
Questions about this ZIP code
Where is ZIP code 78111?
78111 is in Ecleto, Texas, in Karnes County. Its published point location is 29.0350, -97.7370.
What county is 78111 in?
78111 lies in Karnes County.
What area code is 78111?
Ecleto uses area code 830, from NANPA's telephone records.
What time zone is 78111 in?
78111 uses America/Chicago.
How many people live in 78111?
About 0 people live in ZIP code 78111. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 78111?
The closest are 78116 (4.7 mi), 78144 (11 mi), 78141 (11.3 mi), 78151 (11.5 mi) and 78117 (13.1 mi).
Is 78111 a PO Box ZIP code?
78111 is a standard ZIP code. A normal ZIP code with street delivery.
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Cite this page
zipcodes.pro. “78111 ZIP Code — Ecleto, Texas (Karnes County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78111
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78111.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.