Plain

County ZIP codes · Alaska · FIPS 02150

Kodiak Island Borough, AK ZIP Codes

Kodiak Island Borough, Alaska has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 2 for PO boxes or a single organization.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kodiak Island Borough?

99550 · Port Lions: $46k99608 · Karluk: –99615 · Kodiak: $89k99624 · Larsen Bay: $37k99643 · Old Harbor: $30k99644 · Ouzinkie: –9961599624996089964399550 · Port Lions: $46k99608 · Karluk: –99615 · Kodiak: $89k99624 · Larsen Bay: $37k99643 · Old Harbor: $30k99644 · Ouzinkie: –99615996249960899550 · Port Lions: $46k99608 · Karluk: –99615 · Kodiak: $89k99624 · Larsen Bay: $37k99643 · Old Harbor: $30k99644 · Ouzinkie: –9961599624
The residential ZIP codes of Kodiak Island 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).

All 6 residential ZIP codes in Kodiak Island Borough

Residential ZIP codes mainly in Kodiak Island Borough, largest first; "In this county" is the share of the ZIP's land in the county
In this county
99615 Kodiak 12,194 3 $89k $424k 100%
99643 Old Harbor 162 10 $30k – 100%
99550 Port Lions 150 30 $46k $162k 100%
99624 Larsen Bay 145 8 $37k $118k 100%
99644 Ouzinkie 87 5 – – 100%
99608 Karluk 33 1 – $120k 100%

Download the 8 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 Kodiak Island Borough without a residential area (GeoNames postal codes)
ZIPPostal name
99619Kodiak
99697Kodiak

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Kodiak Island Borough's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kodiak Island Borough's ZIP codes use 2 prefixes: 995 and 996.

Three-digit prefixes of Kodiak Island 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 Kodiak Island Borough's
PrefixSectional centerHereAll codes
995 Anchorage, AK (SCF 995) 1 69
996 Anchorage, AK (SCF 995) 7 89

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