77428
ZIP 77428 is Collegeport, Texas, in Matagorda County; area code 361; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Matagorda
- Metro area
- Bay City, TX
- Population
- 151
- Coordinates
- 28.6729, -96.1570
Weather right now
Asking the National Weather Service…
Where 77428 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 77428 into a pocket calculator and turn it upside down: BZhLL — not quite a word, sorry.
- ➕ As a number, 77,428 = 2 × 2 × 13 × 1489. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010111001110100 - 🏠 Its numerical neighbours: 77426 (Chappell Hill, TX, 100 mi away) and 77429 (Cypress, TX, 96 mi away).
- 🔄 Backwards, 77428 becomes 82477, which is not a ZIP code at all.
- 👥 25 other ZIP codes are made of exactly the same digits (27847, 27874, 28747, 28774, 47728, 47872, …). The farthest-flung twin is 48727 in Clifford, MI, 1,241 miles away.
- 🧭 Farther south than 95% of all ZIP codes, and farther west than 72%.
- 🎯783 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 77428 and you would come out at 28.67°S, 83.84°E — 1,415 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 13h 58m of daylight. Shortest: 10h 19m.
- 📏 At 23.8 square miles of land, 77428 is bigger than 41% of ZIP codes — room for about 18 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 151This ZIP151 |
|---|---|
| Households | 52This ZIP52 |
| Housing units | 166This ZIP166 |
| Median age | 54.5This ZIP54.5Texas35.6US 38.9 |
| Bachelor's degree or higher | 0.0% |
| Population density | 6.4 / sq miThis ZIP6.4 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 6This ZIP6 |
| Annual payroll | $510,000This ZIP$510,000 |
Land area
| Land area | 23.77 sq miThis ZIP23.77 sq mi |
|---|---|
| Water area | 2.32 sq miThis ZIP2.32 sq mi |
ZIP codes near 77428
| ZIP | City | Distance |
|---|---|---|
77465 | Palacios, TX | 5.0 mi |
77457 | Matagorda, TX | 13.0 mi |
77419 | Blessing, TX | 14.9 mi |
77440 | Elmaton, TX | 15.0 mi |
77961 | Francitas, TX | 17.9 mi |
77456 | Markham, TX | 18.0 mi |
77483 | Wadsworth, TX | 18.8 mi |
77970 | La Ward, TX | 20.6 mi |
77458 | Midfield, TX | 20.8 mi |
77414 | Bay City, TX | 22.9 mi |
Find every ZIP code within 10 miles of 77428 →
Questions about this ZIP code
Where is ZIP code 77428?
77428 is in Collegeport, Texas, in Matagorda County, part of the Bay City, TX micropolitan area. Its published point location is 28.6729, -96.1570.
What county is 77428 in?
77428 lies in Matagorda County.
What area code is 77428?
Collegeport uses area code 361, from NANPA's telephone records.
What time zone is 77428 in?
77428 uses America/Chicago.
How many people live in 77428?
About 151 people live in ZIP code 77428, in 52 households, at 6.4 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 77428?
The closest are 77465 (5 mi), 77457 (13 mi), 77419 (14.9 mi), 77440 (15 mi) and 77961 (17.9 mi).
Is 77428 a PO Box ZIP code?
77428 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “77428 ZIP Code — Collegeport, Texas (Matagorda County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77428
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/77428.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.