National City CA ZIP Code
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National City 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 National City CA zip code by its streets and block numbers if we have some of the National City streets loaded in our website
National City Area Code is 619 and Time Zone is Pacific (GMT -08:00).
National City Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the National City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the National City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in National City, California.
The National City Zip Code is 91950, 91951.
If you want to send a mail to National City City, you should use the 91950, 91951 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded National City 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 91950, 91951 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a National City 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.