County Highway L20 - Castana, IA ZIP Code
County Highway L20 is a street in Castana city, Iowa.
By selecting some of the County Highway L20 block numbers you can know the County Highway L20 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.
County Highway L20 in Castana, Iowa
The U.S. Postal Service introduced an expanded Castana 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 County Highway L20 to identify a geographic segment within the five-digit delivery area, such as a Castana (Monona county), Iowa 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 Iowa.
In zip-codes.me you can search the Castana ZIp code in Iowa, related to County Highway L20, Castana blocks.
County Highway L20, Castana ZIP Plus 4 - Iowa
By Pressing Ctrl + F you can search zip codes plus 4 in County Highway L20, Castana for certains blocks