Half Moon Bay CA ZIP Code
Half Moon Bay city is located in California State, San Mateo County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Half Moon Bay CA zip code by its streets and block numbers if we have some of the Half Moon Bay streets loaded in our website
Half Moon Bay Area Code is 650 and Time Zone is Pacific (GMT -08:00).
Half Moon Bay Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Half Moon Bay City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Half Moon Bay ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Half Moon Bay, California.
The Half Moon Bay Zip Code is 94019.
If you want to send a mail to Half Moon Bay City, you should use the 94019 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Half Moon Bay ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 94019 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Half Moon Bay city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in California.