21st ST - Auburn, IN ZIP Code
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21st ST is a street in Auburn city, Indiana.
By selecting some of the 21st ST block numbers you can know the 21st ST Zip code Plus four for that address
Remember you have 2 kind of blocks: even and odds.
If you need to know even blocks, you should look for this (E) in the listed block numbers endings
If you need to know odd blocks, you should look for this (O) in the listed block numbers endings
Some Zip plus 4 codes are also applicable to both even and odd blocks. In such cases, you will see a (B) at the block range.
21st ST in Auburn, Indiana
The U.S. Postal Service introduced an expanded Auburn ZIP code system that it called ZIP Plus 4, often called "plus-four codes", "add-on codes", or "add ons".
A ZIP+4 code uses the basic Zip code plus four additional digits related to 21st ST to identify a geographic segment within the five-digit delivery area, such as a Auburn (De Kalb county), Indiana 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 Indiana.
In 2-16.us you can search the Auburn ZIp code in Indiana, related to 21st ST, Auburn blocks.
21st ST, Auburn ZIP Plus 4 - Indiana
By Pressing Ctrl + F you can search zip codes plus 4 in 21st ST, Auburn for certains blocks