ZIP Code 99620

99620 is one of Alaska's ZIP codes, delivering to addresses in Kotlik, Kusilvak Census Area.

City: Kotlik
Borough or census area: Kusilvak Census Area
State: Alaska
Prefix: 996xx

Where this code sits

99620 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kotlik.

Kotlik Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99620 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99620

The ZIP codes whose reference points sit closest to 99620.
ZIP code	Distance	Delivers to
ZIP code 99581	35 mi	Emmonak, AK
ZIP code 99554	42 mi	Alakanuk, AK
ZIP code 99671	52 mi	Stebbins, AK
ZIP code 99666	54 mi	Nunam Iqua, AK
ZIP code 99659	55 mi	Saint Michael, AK
ZIP code 99632	64 mi	Mountain Village, AK
ZIP code 99658	64 mi	Saint Marys, AK
ZIP code 99650	78 mi	Pilot Station, 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 99620, plotted from its record coordinates.

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

Scope ZIP code 99620. 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.