2. United States ZIP Code
  3. Texas
  4. Port Arthur
  5. 77640

ZIP Code 77640

  • Zip Code: 77640
  • Type: Standard
  • Official USPS city name: Port Arthur
  • Official USPS State Code: TX
  • Official State Name: Texas
  • ZCTA: TRUE
  • Population: 15706.0
  • Density: 157.3
  • Primary Official County Code: 48245
  • Primary Official County Name: Jefferson
  • Official County Name: Jefferson
  • Official County Code: 48245
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (21:22 PM Sunday, July 27 2025-07-27 (GMT -0500))
  • Geo Point: 29.88111, -93.94105


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