ZIP Code 99721

99721 is one of Alaska's ZIP codes, delivering to addresses in Anaktuvuk Pass, North Slope Borough.

City: Anaktuvuk Pass
Borough or census area: North Slope Borough
State: Alaska
Prefix: 997xx

Where this code sits

99721 is part of the 997xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Anaktuvuk Pass.

Anaktuvuk Pass Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99721 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99721

The ZIP codes whose reference points sit closest to 99721.
ZIP code	Distance	Delivers to
ZIP code 99720	112 mi	Allakaket, AK
ZIP code 99789	143 mi	Nuiqsut, AK
ZIP code 99745	161 mi	Hughes, AK
ZIP code 99774	164 mi	Stevens Village, AK
ZIP code 99734	166 mi	Prudhoe Bay, AK
ZIP code 99767	187 mi	Rampart, AK
ZIP code 99726	203 mi	Bettles Field, AK
ZIP code 99777	206 mi	Tanana, 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 99721, plotted from its record coordinates.

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

Scope ZIP code 99721. 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.