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City ZIP codes · Alaska

Juneau, AK ZIP Codes

6 ZIP codes use the postal name Juneau, Alaska (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 4 for PO boxes or a single organization. Juneau's most populous ZIP code is 99801, with 29,588 people (ACS 2020-2024); 100% of its land is in the city of Juneau.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Juneau's ZIP codes?

99801: $102k median household income99850: – median household income9980199801: $102k median household income99850: – median household income9980199801: $102k median household income99850: – median household income99801
The 2 residential ZIP codes named Juneau, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes of Juneau

Residential ZIP codes with the postal name Juneau, AK, largest first (ACS 2020-2024); sort by any column
County
99801 Juneau City and Borough 29,588 13 $102k $451k
99850 Haines Borough no residents 0 – –

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Juneau

4 ZIP codes named Juneau have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Juneau, AK: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
99802Juneau City and Borough
99803Juneau City and Borough
99811Juneau City and Borough
99812Juneau City and Borough

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Juneau's ZIP codes reach?

Juneau's residential ZIP codes lie in 2 counties: Juneau City and Borough (1 ZIP code mainly there), Haines Borough (1 ZIP code mainly there).

Which places do Juneau's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Juneau's residential ZIP codes cover Juneau itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Excursion Inlet census-designated 99850

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Juneau's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Juneau starts with 998.

Three-digit prefixes of Juneau's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Juneau's
PrefixSectional centerHereAll codes
998 Juneau, AK (SCF 998) 6 20

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.