County Honolulu is located in the state of Hawaii. Honolulu is spread between the coordinates of +21.3873744 Latitude and -157.93141159 Longitude. Honolulu has 71 zip codes, 46 cities, 1 area code and 50 post offices.
Below you will find more info about Honolulu and also zip codes, cities, area codes and the post offices that belong to this county.