ZIP Code 99691

99691 is one of Alaska's ZIP codes, delivering to addresses in Nikolai, Yukon-Koyukuk Census Area.

City: Nikolai
Borough or census area: Yukon-Koyukuk Census Area
State: Alaska
Prefix: 996xx

Where this code sits

99691 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nikolai.

Nikolai Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99691 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99691

The ZIP codes whose reference points sit closest to 99691.
ZIP code	Distance	Delivers to
ZIP code 99627	38 mi	Mc Grath, AK
ZIP code 99675	53 mi	Takotna, AK
ZIP code 99757	88 mi	Lake Minchumina, AK
ZIP code 99667	118 mi	Skwentna, AK
ZIP code 99768	123 mi	Ruby, AK
ZIP code 99668	127 mi	Sleetmute, AK
ZIP code 99656	128 mi	Red Devil, AK
ZIP code 99741	142 mi	Galena, 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 99691, plotted from its record coordinates.

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

Scope ZIP code 99691. 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.