What street address numbering systems are used in the islands?
Lanai, Maui, and Molokai, and parts of the other islands (mainly urban areas and military bases) have conventional numbering systems. However, the rural numbering systems on Oahu, the Big Island, and Kauai are unusual. The following discusses in detail the Oahu system. The Big Island’s system (except the signage) is quite similar, and Kauai’s is also somewhat similar (the main difference is that its hyphenated address numbers have only one digit before the hyphen, indicating which of the island’s five tax districts the property is located in). Oahu is divided into 9 districts/tax zones, each subdivided into nine sections. In most cases, if you’re not in a main town or on a military base, the tax zone and section you’re in determines the address numbers that you’ll see. Here’s what a rural Oahu street sign looks like: The first two digits on the sign, before the hyphen, give you the tax zone: 5-Koolauloa and its section 4-Haaula and Kaipapau. The three (sometimes four) digits after the
