changed zipcode datatype from int to string
changed zipcode datatype from int to string

https://app.asana.com/0/201562232002815/205761505868167

rdicharry/growify-fork-20161209,DannyEaton/growify,rdicharry/growify-fork-20161209,DannyEaton/growify,DannyEaton/growify,rdicharry/growify-fork-20161209