90721 ZIP Code
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90721 is a zip code assigned by the US Postal Service Office for a US City.
You can search for the 90721 zip code by its streets and block numbers if we have some of the streets loaded in our website
You should use 90721 Zip Code if you want to send mail to a certain US City.
90721 Zip Code - US ZIP Codes
The US ZIP Code basic format consists of five decimal numerical digits assigned like the 90721 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 90721 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.
90721 Zip Code belongs to Los Alamitos, CA - US. 90721 Zip code is located at Orange County and is related to this cities: Los Alamitos
90721 Zip Code Area Code is 562/657 and 90721 Zip Code Time Zone is Pacific (GMT -08:00).
In 1983, the U.S. Postal Service introduced an expanded Los Alamitos 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 90721 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Los Alamitos 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.