ZIP codes in Harding County
7 ZIPs touch Harding County, New Mexico. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
4
cross the county line
4,799
people in these ZIPs
33
counties in NM
Most people
Harding County ZIP list
More counties in New Mexico
- Curry County9
- De Baca County3
- Doña Ana County30
- Eddy County11
- Grant County19
- Guadalupe County7
- Hidalgo County5
- Lea County13
- Lincoln County19
- Los Alamos County3
- Luna County4
- McKinley County24
Questions people actually ask
How many ZIP codes are in Harding County, New Mexico?
7 ZIP codes reach into Harding County. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Harding County has the most people?
88415 (Clayton) has about 3,178 residents, the most of any ZIP touching Harding County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Harding County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Harding County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from