Calera OK ZIP Code
Calera city is located in Oklahoma State, Bryan County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Calera OK zip code by its streets and block numbers if we have some of the Calera streets loaded in our website
Calera Area Code is 580 and Time Zone is Central (GMT -06:00).
Calera Zip Code - Oklahoma
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Calera City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Calera ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Calera, Oklahoma.
The Calera Zip Code is 74730.
If you want to send a mail to Calera City, you should use the 74730 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Calera 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 74730 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Calera 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 Oklahoma.