Duval County, Texas ZIP Codes

5 ZIP Codes

Zip Code
City
Population ↓
78384San Diego5,747
78357Freer2,624
78341Benavides1,550
78349Concepcion438
78376Realitos105

Overview of ZIP Codes in Duval County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
5
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 5 ZCTAs in Duval County, Texas (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

Recommended Reading