In which county is ZIP code 99640 located?

ZIP 99640 is listed under Lake and Peninsula, AK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99640: Nondalton, AK

ZIP: 99640

County: Lake and Peninsula

Coordinates: 59.97360, -154.84580

ZIP Type: Standard

Time Zone: Hawaii-Aleutian Time (HST/HDT)

Get a reliable snapshot of the Nondalton, AK postal area 99640. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Nondalton
ZIP Code	99640
County	Lake and Peninsula
State	AK
Latitude / Longitude	59.97360, -154.84580
ZIP Type	Standard
Time Zone	Hawaii-Aleutian Time (HST/HDT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 99640 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 99640 are listed as 59.97360 / -154.84580, useful for GPS and service checks in and around Nondalton, AK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99640 for mail delivery and general location reference in Lake and Peninsula, AK.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Nondalton.

Related ZIP Codes (Nearby)

Explore other postal codes near Nondalton within AK.

Frequently Asked Questions

What is the primary city for ZIP code 99640?

The primary city for this ZIP code is Nondalton, located in AK.

In which county is 99640 located?

ZIP code 99640 is situated within Lake and Peninsula, AK.

What are the coordinates for 99640?

The approximate center point is 59.97360 (Latitude) and -154.84580 (Longitude).

Is ZIP code 99640 active?

This page lists ZIP 99640 as Listed based on the latest refresh date shown above.

Does ZIP 99640 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08