Sierra County, New Mexico ZIP Codes

9 ZIP Codes

Zip Code
City
Population ↓
87901Truth Or Consequences6,378
87935Elephant Butte2,094
87942Williamsburg1,005
87930Arrey718
87931Caballo703
87939Monticello206
88042Hillsboro205
87943Winston191
87933Derry0

Overview of ZIP Codes in Sierra 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.
9
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 9 ZCTAs in Sierra County, New Mexico (US Census).

Sources

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

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