Union County, New Mexico ZIP Codes

Zip Code
City
Population ↓
88415Clayton3,178
88418Des Moines536
88422Gladstone117
88424Grenville89
88419Folsom61
88410Amistad45
88436Sedan25

Overview of ZIP Codes in Union 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.
7
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 7 ZCTAs in Union County, New Mexico (US Census).

Sources

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

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