ZIP Code 99777

99777 is one of Alaska's ZIP codes, delivering to addresses in Tanana, Yukon-Koyukuk Census Area.

City: Tanana
Borough or census area: Yukon-Koyukuk Census Area
State: Alaska
Prefix: 997xx

Where this code sits

99777 is part of the 997xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Tanana.

Tanana Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99777 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99777

The ZIP codes whose reference points sit closest to 99777.
ZIP code	Distance	Delivers to
ZIP code 99726	31 mi	Bettles Field, AK
ZIP code 99756	44 mi	Manley Hot Springs, AK
ZIP code 99767	60 mi	Rampart, AK
ZIP code 99758	70 mi	Minto, AK
ZIP code 99745	86 mi	Hughes, AK
ZIP code 99757	89 mi	Lake Minchumina, AK
ZIP code 99720	98 mi	Allakaket, AK
ZIP code 99755	129 mi	Denali National Park, 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 99777, plotted from its record coordinates.

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

Scope ZIP code 99777. 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.