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County ZIP codes · Alaska · FIPS 02122

Kenai Peninsula Borough, AK ZIP Codes

Kenai Peninsula Borough, Alaska has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. Median household income ranges from $62,179 in 99556 (Anchor Point) to $87,760 in 99664 (Seward) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kenai Peninsula Borough?

99556 · Anchor Point: $62k99568 · Clam Gulch: $85k99572 · Cooper Landing: $144k99603 · Homer: $79k99605 · Hope: –99610 · Kasilof: $56k99611 · Kenai: $80k99631 · Moose Pass: –99635 · Nikiski: –99639 · Ninilchik: $47k99663 · Seldovia: $84k99664 · Seward: $88k99669 · Soldotna: $81k99672 · Sterling: $101k99682 · Tyonek: $66k996359966499568996039961199631996399966999605995729955699663996829967299556 · Anchor Point: $62k99568 · Clam Gulch: $85k99572 · Cooper Landing: $144k99603 · Homer: $79k99605 · Hope: –99610 · Kasilof: $56k99611 · Kenai: $80k99631 · Moose Pass: –99635 · Nikiski: –99639 · Ninilchik: $47k99663 · Seldovia: $84k99664 · Seward: $88k99669 · Soldotna: $81k99672 · Sterling: $101k99682 · Tyonek: $66k9963599664995689960399611996319963999669996059957299556996639968299556 · Anchor Point: $62k99568 · Clam Gulch: $85k99572 · Cooper Landing: $144k99603 · Homer: $79k99605 · Hope: –99610 · Kasilof: $56k99611 · Kenai: $80k99631 · Moose Pass: –99635 · Nikiski: –99639 · Ninilchik: $47k99663 · Seldovia: $84k99664 · Seward: $88k99669 · Soldotna: $81k99672 · Sterling: $101k99682 · Tyonek: $66k99635996649956899603996119963199639996699960599572
The residential ZIP codes of Kenai Peninsula 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $78,767 and $80,980.

They carry 15 postal town names.

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

All 15 residential ZIP codes in Kenai Peninsula Borough

Residential ZIP codes mainly in Kenai Peninsula Borough, largest first; "In this county" is the share of the ZIP's land in the county
In this county
99611 Kenai 16,510 31 $80k $309k 100%
99669 Soldotna 15,395 63 $81k $320k 100%
99603 Homer 11,693 11 $79k $374k 100%
99664 Seward 4,698 2 $88k $385k 100%
99672 Sterling 4,091 65 $101k $316k 100%
99556 Anchor Point 2,866 15 $62k $239k 100%
99610 Kasilof 2,222 26 $56k $279k 100%
99639 Ninilchik 1,175 3 $47k $251k 100%
99568 Clam Gulch 465 1 $85k $313k 100%
99663 Seldovia 417 4 $84k $198k 100%
99682 Tyonek 295 3 $66k $48k 100%
99572 Cooper Landing 241 3 $144k $428k 100%
99631 Moose Pass 222 1 – $365k 100%
99635 Nikiski 100 0 – – 100%
99605 Hope 23 0 – – 100%

Download the 15 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).

Which first three digits do Kenai Peninsula Borough's ZIP codes use?

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

Three-digit prefixes of Kenai Peninsula 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 Kenai Peninsula Borough's
PrefixSectional centerHereAll codes
995 Anchorage, AK (SCF 995) 3 69
996 Anchorage, AK (SCF 995) 12 89

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