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Where 73551 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 73551 into a pocket calculator and turn it upside down: ISSEL — not quite a word, sorry.
- ➕ As a number, 73,551 = 3 × 24517. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001111101001111 - 🏠 Its numerical neighbours: 73550 (Hollis, OK, 64 mi away) and 73552 (Indiahoma, OK, 23 mi away).
- 🔄 Backwards, 73551 becomes 15537 — and that is a real ZIP code: Everett, PA, 1,192 miles away.
- 👥 28 other ZIP codes are made of exactly the same digits (13755, 15357, 15537, 15753, 17355, 17535, …). The farthest-flung twin is 13755 in Downsville, NY, 1,396 miles away.
- 🧭 Farther south than 77% of all ZIP codes, and farther west than 78%.
- 🎯382 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73551 and you would come out at 34.31°S, 81.12°E — 1,178 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
- 📏 At 28.5 square miles of land, 73551 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 11This ZIP11 |
|---|---|
| Households | 10This ZIP10 |
| Housing units | 18This ZIP18 |
| Median age | 69.5This ZIP69.5Oklahoma37.0US 38.9 |
| Median home value | $74,000This ZIP$74,000Oklahoma$199,800US $332,700 |
| Bachelor's degree or higher | 0.0% |
| Population density | 0.4 / sq miThis ZIP0.4 / sq mi |
Land area
| Land area | 28.52 sq miThis ZIP28.52 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
Other place names in 73551
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73551
| ZIP | City | Distance |
|---|---|---|
73542 | Frederick, OK | 7.0 mi |
73553 | Loveland, OK | 10.3 mi |
73530 | Davidson, OK | 10.4 mi |
73546 | Grandfield, OK | 10.7 mi |
76364 | Harrold, TX | 13.6 mi |
73555 | Manitou, OK | 14.3 mi |
73528 | Chattanooga, OK | 14.4 mi |
76373 | Oklaunion, TX | 17.5 mi |
73570 | Tipton, OK | 19.6 mi |
76354 | Burkburnett, TX | 20.9 mi |
Find every ZIP code within 10 miles of 73551 →
Questions about this ZIP code
Where is ZIP code 73551?
73551 is in Hollister, Oklahoma, in Tillman County. Its published point location is 34.3076, -98.8806.
What county is 73551 in?
73551 lies in Tillman County.
What area code is 73551?
Hollister uses area code 580, from NANPA's telephone records.
What time zone is 73551 in?
73551 uses America/Chicago.
How many people live in 73551?
About 11 people live in ZIP code 73551, in 10 households, at 0.4 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 73551?
The closest are 73542 (7 mi), 73553 (10.3 mi), 73530 (10.4 mi), 73546 (10.7 mi) and 76364 (13.6 mi).
Is 73551 a PO Box ZIP code?
73551 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73551 ZIP Code — Hollister, Oklahoma (Tillman County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73551
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73551.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.