77643 ZIP Code — Port Arthur, TX
Jefferson County, Texas
ZIP code 77643 is located in Port Arthur, Texas, within Jefferson County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 409.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
77643 ZIP code map
Cities in ZIP code 77643
Below are the cities the US Postal Service accepts for ZIP code 77643. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Port Arthur | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 48 |
| County FIPS | 245 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 29.8993 |
| Longitude | -93.9296 |
| Timezone | Central (CT) |
| Area code | 409 |