https://faq.usps.com/s/article/ZIP-Code-The-Basics https://faq.usps.com/s/article/ZIP-Code-The-Basics I don't know how to link to the correct question but ther

https://faq.usps.com/s/article/ZIP-Code-The-Basics https://faq.usps.com/s/article/ZIP-Code-The-Basics I don't know how to link to the correct question but there is why did my code change.