ZIP Code 99670

99670 is one of Alaska's ZIP codes, delivering to addresses in South Naknek, Bristol Bay Borough.

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

Where this code sits

99670 is part of the 996xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Naknek.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99670 delivers to without sharing its boundary.

907 Area code 907

ZIP codes nearest 99670

The ZIP codes whose reference points sit closest to 99670.
ZIP code	Distance	Delivers to
ZIP code 99633	8.7 mi	Naknek, AK
ZIP code 99613	11 mi	King Salmon, AK
ZIP code 99565	30 mi	Chignik Lagoon, AK
ZIP code 99579	34 mi	Egegik, AK
ZIP code 99625	45 mi	Levelock, AK
ZIP code 99580	52 mi	Ekwok, AK
ZIP code 99636	58 mi	New Stuyahok, AK
ZIP code 99649	79 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 99670, plotted from its record coordinates.

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

Scope ZIP code 99670. 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.