Sign up
Sign in
Between 1943 and 1962, the mail volume doubled. On July 1, 1963, the post office introduced the Zone Improvement Plan Code, now referred to as ZIP Codes. The new five-digit codes corresponded to different zones. The entire country was divided into code…
Trisha Faye
Natalie
Follow
--
1
Share
😍😍didn’t know!!
Wife, mother, teacher, people/music lover and writer: sharing bits of her soul one story at a time.
Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams
