77580
ZIP 77580 is Mont Belvieu, Texas, in Chambers County; area codes 281, 346 and 832; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Chambers
- Metro area
- Houston-Pasadena-The Woodlands, TX
- Population
- 0
- Coordinates
- 29.8568, -94.8775
Weather right now
Asking the National Weather Service…
Where 77580 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 77580 into a pocket calculator and turn it upside down: OBSLL — not quite a word, sorry.
- ➕ As a number, 77,580 = 2 × 2 × 3 × 3 × 5 × 431. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010111100001100 - 🏠 Its numerical neighbours: 77578 (Manvel, TX, 39 mi away) and 77581 (Pearland, TX, 32 mi away).
- 🔄 Backwards, 77580 becomes 08577, which is not a ZIP code at all.
- 👥 30 other ZIP codes are made of exactly the same digits (05778, 07758, 07857, 07875, 08757, 57078, …). The farthest-flung twin is 05778 in Whiting, VT, 1,532 miles away.
- 🧭 Farther south than 93% of all ZIP codes, and farther west than 68%.
- 🎯720 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 77580 and you would come out at 29.86°S, 85.12°E — 1,435 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 04m of daylight. Shortest: 10h 13m.
- 📏 At 1.5 square miles of land, 77580 is bigger than 10% of ZIP codes — room for about 1.1 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 |
Business and tax activity
| Business establishments | 58This ZIP58 |
|---|---|
| Employees | 2,687This ZIP2,687 |
| Annual payroll | $328,784,000This ZIP$328,784,000 |
Land area
| Land area | 1.49 sq miThis ZIP1.49 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Other place names in 77580
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 77580
| ZIP | City | Distance |
|---|---|---|
77521 | Baytown, TX | 6.0 mi |
77523 | Baytown, TX | 6.3 mi |
77522 | Baytown, TX | 10.3 mi |
77562 | Highlands, TX | 10.8 mi |
77597 | Wallisville, TX | 11.0 mi |
77520 | Baytown, TX | 11.1 mi |
77532 | Crosby, TX | 12.0 mi |
77535 | Dayton, TX | 13.9 mi |
77530 | Channelview, TX | 14.9 mi |
77572 | La Porte, TX | 15.7 mi |
Find every ZIP code within 10 miles of 77580 →
Questions about this ZIP code
Where is ZIP code 77580?
77580 is in Mont Belvieu, Texas, in Chambers County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.8568, -94.8775.
What county is 77580 in?
77580 lies in Chambers County.
What area code is 77580?
Mont Belvieu uses area codes 281, 346 and 832, from NANPA's telephone records.
What time zone is 77580 in?
77580 uses America/Chicago.
How many people live in 77580?
About 0 people live in ZIP code 77580. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 77580?
The closest are 77521 (6 mi), 77523 (6.3 mi), 77522 (10.3 mi), 77562 (10.8 mi) and 77597 (11 mi).
Is 77580 a PO Box ZIP code?
77580 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “77580 ZIP Code — Mont Belvieu, Texas (Chambers County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77580
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/77580.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.