77555
ZIP 77555 is in Galveston, Texas, in Galveston County; Central time. Galveston has 6 ZIP codes; the others are 77550, 77551, 77552, 77553 and 77554.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Galveston
- Metro area
- Houston-Pasadena-The Woodlands, TX
- Population
- 2
- Coordinates
- 29.3108, -94.7765
Weather right now
Asking the National Weather Service…
Where 77555 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 77555 into a pocket calculator and turn it upside down: SSSLL — not quite a word, sorry.
- ➕ As a number, 77,555 = 5 × 15511. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010111011110011 - 🏠 Its numerical neighbours: 77554 (Galveston, TX, 10 mi away) and 77560 (Hankamer, TX, 40 mi away).
- 🔄 Backwards, 77555 becomes 55577 — and that is a real ZIP code: Maple Plain, MN, 1,087 miles away.
- 👥 5 other ZIP codes are made of exactly the same digits (55577, 55757, 55775, 57755, 75755). The farthest-flung twin is 55775 in Pengilly, MN, 1,246 miles away.
- 🧭 Farther south than 95% of all ZIP codes, and farther west than 68%.
- 🎯758 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 77555 and you would come out at 29.31°S, 85.22°E — 1,400 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 01m of daylight. Shortest: 10h 16m.
- 📏 At 0.023 square miles of land, 77555 is bigger than 0% of ZIP codes — about 11 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2This ZIP2 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Bachelor's degree or higher | 0.0% |
| Population density | 87.0 / sq miThis ZIP87.0 / sq mi |
Business and tax activity
| Business establishments | 16This ZIP16 |
|---|---|
| Employees | 7,742This ZIP7,742 |
| Annual payroll | $488,033,000This ZIP$488,033,000 |
Land area
| Land area | 0.02 sq miThis ZIP0.02 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 77555
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 77555
| ZIP | City | Distance |
|---|---|---|
77550 | Galveston, TX | 0.5 mi |
77592 | Texas City, TX | 2.0 mi |
77553 | Galveston, TX | 2.1 mi |
77551 | Galveston, TX | 4.1 mi |
77590 | Texas City, TX | 9.7 mi |
77554 | Galveston, TX | 10.3 mi |
77650 | Port Bolivar, TX | 11.1 mi |
77552 | Galveston, TX | 11.9 mi |
77568 | La Marque, TX | 13.3 mi |
77591 | Texas City, TX | 14.7 mi |
Find every ZIP code within 10 miles of 77555 →
Questions about this ZIP code
Where is ZIP code 77555?
77555 is in Galveston, Texas, in Galveston County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.3108, -94.7765.
What county is 77555 in?
77555 lies in Galveston County.
What time zone is 77555 in?
77555 uses America/Chicago.
How many people live in 77555?
About 2 people live in ZIP code 77555, at 87.0 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 77555?
The closest are 77550 (0.5 mi), 77592 (2 mi), 77553 (2.1 mi), 77551 (4.1 mi) and 77590 (9.7 mi).
Is 77555 a PO Box ZIP code?
77555 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “77555 ZIP Code — Galveston, Texas (Galveston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77555
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/77555.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.