This is really pretty straight forward with pattern matching. It is generally considered best practice to post ddl and consumable data when asking for help. I created this for you as an example.
create table #Something
(
CustomerID int,
MyAddress varchar(50)
)
insert #Something
select 6237, '025 OHIO DR APT 13111' union all
select 9261, '123 main street #1567' union all
select 8036, '12 lee street #8956345'
select *
from #Something
where MyAddress LIKE '%[0-9][0-9][0-9][0-9][0-9][0-9]%'
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Need help? Help us help you.
Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.
Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.
Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/