ZIP codes in Sandoval County
21 ZIPs touch Sandoval County, New Mexico. The blue dashed line is the county border; orange ZIPs reach into it.
21
ZIP codes
7
cross the county line
192,763
people in these ZIPs
33
counties in NM
Most people
Sandoval County ZIP list
More counties in New Mexico
- Otero County17
- Quay County12
- Rio Arriba County37
- Roosevelt County14
- San Juan County20
- San Miguel County23
- Santa Fe County24
- Sierra County11
- Socorro County14
- Taos County21
- Torrance County10
- Union County9
Questions people actually ask
How many ZIP codes are in Sandoval County, New Mexico?
21 ZIP codes reach into Sandoval County. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Sandoval County has the most people?
87124 (Rio Rancho) has about 58,499 residents, the most of any ZIP touching Sandoval County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Sandoval 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 Sandoval 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