ZIP Code 99606

99606 is one of Alaska's ZIP codes, delivering to addresses in Iliamna, Lake and Peninsula Borough.

City: Iliamna
Borough or census area: Lake and Peninsula Borough
State: Alaska
Prefix: 996xx

Where this code sits

99606 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Iliamna.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99606 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99606

The ZIP codes whose reference points sit closest to 99606.
ZIP code	Distance	Delivers to
ZIP code 99640	15 mi	Nondalton, AK
ZIP code 99647	27 mi	Pedro Bay, AK
ZIP code 99653	36 mi	Port Alsworth, AK
ZIP code 99625	72 mi	Levelock, AK
ZIP code 99613	98 mi	King Salmon, AK
ZIP code 99633	99 mi	Naknek, AK
ZIP code 99670	107 mi	South Naknek, AK
ZIP code 99565	121 mi	Chignik Lagoon, AK

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 99606, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 99606. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.