2. United States ZIP Code
  3. Texas
  4. Portland
  5. 78374

ZIP Code 78374

  • Zip Code: 78374
  • Type: Standard
  • Official USPS city name: Portland
  • Official USPS State Code: TX
  • Official State Name: Texas
  • ZCTA: TRUE
  • Population: 18369.0
  • Density: 149.2
  • Primary Official County Code: 48409
  • Primary Official County Name: San Patricio
  • Official County Name: San Patricio
  • Official County Code: 48409
  • Imprecise: FALSE
  • Military: FALSE
  • Timezone: America/Chicago (17:06 PM Monday, June 15 2026-06-15 (GMT -0500))
  • Geo Point: 27.89799, -97.37808


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