ZIP Code 99634

99634 is one of Alaska's ZIP codes, delivering to addresses in Napakiak, Bethel Census Area.

City: Napakiak
Borough or census area: Bethel Census Area
State: Alaska
Prefix: 996xx

Where this code sits

99634 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Napakiak.

Napakiak Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99634 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99634

The ZIP codes whose reference points sit closest to 99634.
ZIP code	Distance	Delivers to
ZIP code 99559	9.3 mi	Bethel, AK
ZIP code 99621	19 mi	Kwethluk, AK
ZIP code 99641	22 mi	Nunapitchuk, AK
ZIP code 99551	23 mi	Akiachak, AK
ZIP code 99609	24 mi	Kasigluk, AK
ZIP code 99552	29 mi	Akiak, AK
ZIP code 99578	33 mi	Eek, AK
ZIP code 99680	34 mi	Tuntutuliak, 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 99634, plotted from its record coordinates.

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

Scope ZIP code 99634. 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.