In which county is ZIP code 99740 located?

ZIP 99740 is listed under Yukon-Koyukuk (CA), AK.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 99740: Fort Yukon, AK

ZIP: 99740

County: Yukon-Koyukuk (CA)

Coordinates: 66.56470, -145.27390

ZIP Type: Standard

Time Zone: Alaska Time (AKST/AKDT)

Get a reliable snapshot of the Fort Yukon, AK postal area 99740. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Fort Yukon
ZIP Code	99740
County	Yukon-Koyukuk (CA)
State	AK
Latitude / Longitude	66.56470, -145.27390
ZIP Type	Standard
Time Zone	Alaska Time (AKST/AKDT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 99740 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 99740 is approximately 66.56470 (latitude) and -145.27390 (longitude). This location sits within Yukon-Koyukuk (CA), contributing to regional planning across AK.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 99740 for mail delivery and general location reference in Yukon-Koyukuk (CA), AK.

This ZIP may extend beyond the city core into nearby communities within Yukon-Koyukuk (CA).

Related ZIP Codes (Nearby)

Explore other postal codes near Fort Yukon within AK.

Frequently Asked Questions

What is the primary city for ZIP code 99740?

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

In which county is 99740 located?

ZIP code 99740 is situated within Yukon-Koyukuk (CA), AK.

What are the coordinates for 99740?

The approximate center point is 66.56470 (Latitude) and -145.27390 (Longitude).

Is ZIP code 99740 active?

This page lists ZIP 99740 as Listed based on the latest refresh date shown above.

Does ZIP 99740 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