ZIP codes in Anchorage Municipality
29 ZIPs touch Anchorage Municipality, Alaska. The blue dashed line is the county border; orange ZIPs reach into it.
29
ZIP codes
1
cross the county line
289,006
people in these ZIPs
30
counties in AK
Most people
Anchorage Municipality ZIP list
More counties in Alaska
- Aleutians East Borough5
- Aleutians West Census Area7
- Bethel Census Area28
- Bristol Bay Borough3
- Chugach Census Area4
- Copper River Census Area6
- Denali Borough6
- Dillingham Census Area7
Questions people actually ask
How many ZIP codes are in Anchorage Municipality, Alaska?
29 ZIP codes reach into Anchorage Municipality, including 11 PO Box or single-address ZIPs placed by the town they serve. 1 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Anchorage Municipality has the most people?
99504 (Anchorage) has about 42,093 residents, the most of any ZIP touching Anchorage Municipality, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Anchorage 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 Anchorage 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