ZIP Code 99640

99640 is one of Alaska's ZIP codes, delivering to addresses in Nondalton, Lake and Peninsula Borough.

City: Nondalton
Borough or census area: Lake and Peninsula Borough
State: Alaska
Prefix: 996xx

Where this code sits

99640 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nondalton.

Nondalton Alaska ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99640 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99640

The ZIP codes whose reference points sit closest to 99640.
ZIP code	Distance	Delivers to
ZIP code 99606	15 mi	Iliamna, AK
ZIP code 99653	24 mi	Port Alsworth, AK
ZIP code 99647	28 mi	Pedro Bay, AK
ZIP code 99625	79 mi	Levelock, AK
ZIP code 99613	109 mi	King Salmon, AK
ZIP code 99633	110 mi	Naknek, AK
ZIP code 99670	118 mi	South Naknek, AK
ZIP code 99565	134 mi	Chignik Lagoon, 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 99640, plotted from its record coordinates.

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

Scope ZIP code 99640. 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.