County ZIP codes · Alaska · FIPS 02110

Juneau City and Borough, AK ZIP Codes

Juneau City and Borough, Alaska has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 2 residential and 5 for PO boxes or a single organization. Median household income ranges from $92,188 in 99824 (Douglas) to $102,217 in 99801 (Juneau) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Juneau City and Borough?

The residential ZIP codes of Juneau City and Borough (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

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

How different are its ZIP codes?

99824 · $92k 99801 · $102k

They carry 2 postal town names: Juneau, Douglas.

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

All 2 residential ZIP codes in Juneau City and Borough

Residential ZIP codes mainly in Juneau City and Borough, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
99801	Juneau	29,588	13	$102k	$451k	100%
99824	Douglas	2,190	1,251	$92k	$407k	100%

Download the 7 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

PO Box and single-organization ZIP codes

ZIP codes in Juneau City and Borough without a residential area (GeoNames postal codes)
ZIP	Postal name
99802	Juneau
99803	Juneau
99811	Juneau
99812	Juneau
99821	Auke Bay

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Juneau City and Borough'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 City and Borough starts with 998.

Three-digit prefixes of Juneau City and Borough'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 City and Borough's
Prefix	Sectional center	Here	All codes
998	Juneau, AK (SCF 998)	7	20

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