| City: | Honolulu, Hawaii |
| Names to Avoid: | Board Of Water Supply |
| County: | Honolulu County |
| Timezone: | Hawaii-Aleutian Islands (GMT -10:00) |
| Local Time: | 8:06:44 AM |
| Population: | No Population Data |
| Area Code: | 808 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 21.3063, -157.8532 |
| Quick Link: |
The Honolulu Board of Water Supply operates under dedicated ZIP code 96843 in Honolulu County, Hawaii. Created in 1929 by Act 96 of the Hawaii Legislature, the BWS took control of Oahu's municipal water system in February of that year. The agency was formed in response to a water crisis, as the old system could not meet the growing city's demands. This exclusive postal designation has served the water utility for over two decades.
As a semi-autonomous agency of the City and County of Honolulu, the BWS is governed by a seven-member Board of Directors who set policies and fix water rates. Located on Beretania Street in Downtown Honolulu, the agency ended Oahu's water shortages by implementing the island's first effective water management system. The ZIP covers approximately 0.01 square miles. Postal records show 1 delivery code. Census demographic data is not available for this governmental designation. Honolulu is the valid mailing city.
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 96843 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 96843 is located in Honolulu County, Hawaii, within the Urban Honolulu, HI Metropolitan Statistical Area (CBSA 46520) and Hawaii's 1st Congressional District. This Metro area has a population of 0 people, about 0.00% of whom live in ZIP Code 96843. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Urban Honolulu, HISource: Census |
| CBSA Number: | 46520Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Honolulu, HI MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 209.22 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 46520Source: Census |
| Place Name: | Urban Honolulu, HI Metro AreaSource: Census |
We could not locate which school district 96843 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.