There is a “post office,” but no “pre office.”
       
“they don’t call it the ‘pre office’ or the ‘now office’...they call it the post office…” was posted on Twitter by justin c beck on August 13, 2009. “Because pre offices are useless RT @LAriesti: Why are there post offices?” was posted on Twitter by Si Ebbe on June 4, 2011.
     
“The existence of post office implies the existence of a pre office…” was posted on Twitter by Kiyun Anon on February 8, 2019. “The post office implies the existence of a pre office” was posted on Twitter by mags on August 12, 2019. “Post office implies the existence of pre office” was posted on Twitter by Fr. Mike Palmer, CSC on May 23, 2020.
   
   
Twitter
justin c beck
@crazyjustin
they don’t call it the “pre office” or the “now office”...they call it the post office…
7:21 PM · Aug 13, 2009·Twitter Web Client
     
Twitter 
Mark Loper
@markloper
headed to the post office. is there a pre office?
1:24 PM · Dec 11, 2009·Twitter Web Client
 
Twitter
Si Ebbe
@ebbebbe
Because pre offices are useless RT @LAriesti: Why are there post offices?
4:39 AM · Jun 4, 2011·Scope App
 
Reddit—Jokes
Posted by u/peytonblitz April 16, 2018
Everyone talks about the post office
But nobody ever talks about the pre office.
         
Twitter
Kiyun Anon
@antifatwa
The existence of post office implies the existence of a pre office…
Sorry, sorry, I’m trying to delete.
4:56 PM · Feb 8, 2019·Twitter for Android
   
Twitter
mags
@maggothershey
The post office implies the existence of a pre office
4:18 AM · Aug 12, 2019·Twitter for iPhone
 
Twitter
Zac Mabry
@ZacMabry
The Post Office implies the existence of a Pre Office.
4:03 PM · Apr 8, 2020·Twitter for iPhone
   
Twitter
Fr. Mike Palmer, CSC
@mppcsc
Replying to @TeawithTolkien
Post office implies the existence of pre office
6:49 PM · May 23, 2020·Twitter for Android
   
Twitter
RunningRed NightBringer
@RunningRedNB
Post offices imply the existence of pre offices.
I suppose that could just be another way of referring to stationary stores.
1:46 PM · Jul 1, 2021·Twitter Web App
 
Twitter
Satanic Priestess
@nietzschejou_
post office implies the existence of pre office
1:01 PM · Sep 4, 2021·Twitter for Android
   
Twitter
Bun
@craigstam
“post office” implies the existence of a “pre office”
4:24 PM · Jan 18, 2022·Twitter Web App
 
Twitter
Hunterzeit
@hunterzeit
The existence of a “post office” implies the existence of a “pre office”
6:38 PM · Jan 24, 2022·Twitter Web App
 
Twitter
HereticErik
@HereticErik
Post office implies the existence of a Pre office.
2:09 PM · Jan 29, 2022·Twitter Web App