Port Arthur, TX zip codes
Port Arthur, Texas has 4 zip codes (2 residential, 2 PO box or single-organization). Most of it is in Jefferson County. Together these zip codes are home to about 56K people.
Zip codes
4
Population
56K
All zips combined
Largest zip
77642
38,358 residents
Income range
$43K–$51K
Median by zip