El Dorado AR ZIP Code
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El Dorado city is located in Arkansas State, Union County and has a unique zip code assigned by the US Postal Service Office.
You can search for the El Dorado AR zip code by its streets and block numbers if we have some of the El Dorado streets loaded in our website
El Dorado Area Code is 870 and Time Zone is Central (GMT -06:00).
El Dorado Zip Code - Arkansas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the El Dorado City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the El Dorado ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in El Dorado, Arkansas.
The El Dorado Zip Code is 71730, 71731.
If you want to send a mail to El Dorado City, you should use the 71730, 71731 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded El Dorado 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 71730, 71731 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a El Dorado 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 Arkansas.