To remove Country + Address Line 2 from Contact Form (Form Block) in Squarespace.
You can use this code to Custom CSS box.
If code doesn’t work, you can comment below, message or email me.
label[for*="country-field"], div.country-select {
display: none !important;
}
label[for*="line2-field"], label[for*="-line2-field"]~* {
display: none !important;
}
Result