ZIP Code 99633

99633 is one of Alaska's ZIP codes, delivering to addresses in Naknek, Bristol Bay Borough.

City: Naknek
Borough or census area: Bristol Bay Borough
State: Alaska
Prefix: 996xx

Where this code sits

99633 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Naknek.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99633 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99633

The ZIP codes whose reference points sit closest to 99633.
ZIP code	Distance	Delivers to
ZIP code 99670	8.7 mi	South Naknek, AK
ZIP code 99613	11 mi	King Salmon, AK
ZIP code 99625	36 mi	Levelock, AK
ZIP code 99565	37 mi	Chignik Lagoon, AK
ZIP code 99579	43 mi	Egegik, AK
ZIP code 99580	45 mi	Ekwok, AK
ZIP code 99636	51 mi	New Stuyahok, AK
ZIP code 99649	88 mi	Pilot Point, 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 99633, plotted from its record coordinates.

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

Scope ZIP code 99633. 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.