ZIP Code 99607

99607 is one of Alaska's ZIP codes, delivering to addresses in Kalskag, Bethel Census Area.

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

Where this code sits

99607 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kalskag.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99607 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99607

The ZIP codes whose reference points sit closest to 99607.
ZIP code	Distance	Delivers to
ZIP code 99626	2.2 mi	Lower Kalskag, AK
ZIP code 99557	27 mi	Aniak, AK
ZIP code 99679	36 mi	Tuluksak, AK
ZIP code 99657	39 mi	Russian Mission, AK
ZIP code 99602	48 mi	Holy Cross, AK
ZIP code 99552	53 mi	Akiak, AK
ZIP code 99551	57 mi	Akiachak, AK
ZIP code 99621	63 mi	Kwethluk, 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 99607, plotted from its record coordinates.

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

Scope ZIP code 99607. 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.