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  2. What is the zip code of Old Harbor, AK, 99643

Old Harbor (AK) Zip Code is 99643 Latest Details Aug, 2025

Updated: 27-08-2025

Old Harbor (AK) zip Code is 99643, Postal Code details. Old Harbor is located in state AK, United States.

Find Zip Code 99643 Details

ZIP code 99643 is located in Old Harbor AK in the United States.

Postal Code United States Zip Code 99643 Latest update Old Harbor, AK
Zip Code / Postal Code 99643

City

Old Harbor

State Code

AK

County

Kodiak Island, United States

Postal Locations

Old Harbor, AK - Zip Code is - 99643

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 99643 is an essential part of the postal system in Old Harbor, AK. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Old Harbor has a lot to offer.

FAQ about Zip Code 99643, Old Harbor, (AK)

What is Zip code Old Harbor?

Old Harbor Zip Code: 99643, used by the Old Harbor Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Kodiak Island, AK. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Old Harbor?

Old Harbor Postal Code is: 99643

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