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Where 78712 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 78712 into a pocket calculator and turn it upside down: ZILBL — not quite a word, sorry.
- ➕ As a number, 78,712 = 2 × 2 × 2 × 9839. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001101111000 - 🏠 Its numerical neighbours: 78711 (Austin, TX, 4 mi away) and 78713 (Austin, TX, 1 mi away).
- 🔄 Backwards, 78712 becomes 21787 — and that is a real ZIP code: Taneytown, MD, 1,328 miles away.
- 👥 20 other ZIP codes are made of exactly the same digits (12778, 12787, 17728, 17827, 17872, 21778, …). The farthest-flung twin is 12787 in White Sulphur Springs, NY, 1,499 miles away.
- 🧭 Farther south than 92% of all ZIP codes, and farther west than 76%.
- 🎯661 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78712 and you would come out at 30.28°S, 82.27°E — 1,460 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 06m of daylight. Shortest: 10h 11m.
- 📏 At 0.570 square miles of land, 78712 is bigger than 6% of ZIP codes — about 276 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 201This ZIP201 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Median age | 19.4This ZIP19.4Texas35.6US 38.9 |
| Population density | 352.6 / sq miThis ZIP352.6 / sq mi |
Business and tax activity
| Business establishments | 32This ZIP32 |
|---|---|
| Employees | 263This ZIP263 |
| Annual payroll | $16,309,000This ZIP$16,309,000 |
Land area
| Land area | 0.57 sq miThis ZIP0.57 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 78712
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78712
| ZIP | City | Distance |
|---|---|---|
78705 | Austin, TX | 0.8 mi |
78701 | Austin, TX | 1.1 mi |
78722 | Austin, TX | 1.2 mi |
78713 | Austin, TX | 1.3 mi |
78714 | Austin, TX | 1.3 mi |
78715 | Austin, TX | 1.3 mi |
78766 | Austin, TX | 1.3 mi |
78767 | Austin, TX | 1.3 mi |
78768 | Austin, TX | 1.3 mi |
78799 | Austin, TX | 1.3 mi |
Find every ZIP code within 10 miles of 78712 →
Questions about this ZIP code
Where is ZIP code 78712?
78712 is in Austin, Texas, in Travis County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.2839, -97.7329.
What county is 78712 in?
78712 lies in Travis County.
What area code is 78712?
Austin uses area codes 512 and 737, from NANPA's telephone records.
What time zone is 78712 in?
78712 uses America/Chicago.
How many people live in 78712?
About 201 people live in ZIP code 78712, at 352.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 78712?
The closest are 78705 (0.8 mi), 78701 (1.1 mi), 78722 (1.2 mi), 78713 (1.3 mi) and 78714 (1.3 mi).
Is 78712 a PO Box ZIP code?
78712 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78712 ZIP Code — Austin, Texas (Travis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78712
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78712.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.