Oceanside CA ZIP Code
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Oceanside city is located in California State, San Diego County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oceanside CA zip code by its streets and block numbers if we have some of the Oceanside streets loaded in our website
Oceanside Area Code is 442/760 and Time Zone is Pacific (GMT -08:00).
Oceanside Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oceanside City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oceanside ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oceanside, California.
The Oceanside Zip Code is 92049, 92051, 92052, 92054, 92056, 92057, 92058.
If you want to send a mail to Oceanside City, you should use the 92049, 92051, 92052, 92054, 92056, 92057, 92058 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oceanside 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 92049, 92051, 92052, 92054, 92056, 92057, 92058 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oceanside 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.