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ZIP codes in Colfax County

10 ZIPs touch Colfax County, New Mexico. The blue dashed line is the county border; orange ZIPs reach into it.

10

ZIP codes

2

cross the county line

12,410

people in these ZIPs

33

counties in NM

Most people

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Colfax County ZIP list

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All 33 counties in New Mexico

Questions people actually ask

How many ZIP codes are in Colfax County, New Mexico?

10 ZIP codes reach into Colfax County. 2 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Colfax County has the most people?

87740 (Raton) has about 7,078 residents, the most of any ZIP touching Colfax County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Colfax 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 Colfax 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