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ZIP codes in Skagway Municipality

1 ZIPs touch Skagway Municipality, Alaska. The blue dashed line is the county border; orange ZIPs reach into it.

1

ZIP codes

0

cross the county line

1,244

people in these ZIPs

30

counties in AK

Most people

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Skagway Municipality ZIP list

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Questions people actually ask

How many ZIP codes are in Skagway Municipality, Alaska?

1 ZIP codes reach into Skagway Municipality. Every ZIP area here lies wholly inside the county.

Which ZIP code in Skagway Municipality has the most people?

99840 (Skagway) has about 1,244 residents, the most of any ZIP touching Skagway Municipality, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Skagway Municipality 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 Skagway Municipality. 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